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Discover Upgrades product treasures from around the world with our guide to cross-border e-commerce. VKDN curates the latest and high-quality recommendations for your global shopping experience in Upgrades products.

Showing 1–36 of 966 results

75% off
ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker

ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker

$94.19$376.78

3 sold
50% off
BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design) BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design)

BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design)

$1089.74$2179.48

50% off
Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter

Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter

$478.74$957.49

22 sold
12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier 12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier

12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier

$24.00$24.00

2 sold
Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY

Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY

$735.47$735.47

1 sold
50% off
Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna

Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna

$57.29$114.58

11 sold
50% off
BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier

BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier

$442.49$884.98

8 sold
6% off
Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast

Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast

$858.22$913.00

2 sold
PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts

PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts

$64.18$64.18

2 sold
22% off
A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades

A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades

$14.64$18.77

50% off
YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer

YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer

$219.00$438.00

6 sold
2% off
TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna

TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna

$217.02$221.45

1 sold
ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box

ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box

$339.99$339.99

10% off
GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS

GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS

$35.09$38.99

10 sold
40% off
Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2 Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2

Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2

$2441.10$4068.50

8 sold
27% off
Upgrade B-063 TPA3255 Parallel High Power Amplifier Board 600W Mono PBTL XH2.54Mm 2PIN Connector-ABFT

Upgrade B-063 TPA3255 Parallel High Power Amplifier Board 600W Mono PBTL XH2.54Mm 2PIN Connector-ABFT

$38.74$53.07

1 sold
33% off
GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers

GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers

$13.39$19.98

5 sold
30% off
Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V

Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V

$77.38$110.55

2 sold
60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade 60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade

60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade

$688.04$688.04

7 sold
31% off
Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement

Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement

$341.59$495.06

37% off
Op amp decoupling base, upgrade base, op amp base Op amp decoupling base, upgrade base, op amp base

Op amp decoupling base, upgrade base, op amp base

$111.45$176.90

6 sold
32% off
8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module 8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module

8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module

$1096.17$1612.02

30% off
PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia

PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia

$922.88$1318.40

199 sold
14% off
Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5 Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5

Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5

$9.62$11.19

3 sold
53% off
Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade

Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade

$37.53$79.85

7 sold
45% off
LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing

LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing

$580.66$1055.75

16 sold
49% off
Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board

Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board

$175.20$350.39

2 sold
Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad

Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad

$839.45$839.45

5 sold
32% off
Operational Amplifier Upgrade Socket Operational Amplifier Upgrade Socket

Operational Amplifier Upgrade Socket

$178.03$261.81

3 sold
PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube

PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube

$233.81$233.81

22 sold
20% off
Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing

Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing

$419.38$524.23

1 sold
Shuguang FU-7 807 Vacuum tube Upgrade FU-7 807 Electron tube Amplifeir Kit HIFI Audio Valve DIY Matched Shuguang FU-7 807 Vacuum tube Upgrade FU-7 807 Electron tube Amplifeir Kit HIFI Audio Valve DIY Matched

Shuguang FU-7 807 Vacuum tube Upgrade FU-7 807 Electron tube Amplifeir Kit HIFI Audio Valve DIY Matched

$42.80$42.80

6% off
New Upgrade AMP 2CH TPA3255 MONO Split High power Class D Digital Power Amplifier 300W+300W RCA or XLR Input Version (Optional) New Upgrade AMP 2CH TPA3255 MONO Split High power Class D Digital Power Amplifier 300W+300W RCA or XLR Input Version (Optional)

New Upgrade AMP 2CH TPA3255 MONO Split High power Class D Digital Power Amplifier 300W+300W RCA or XLR Input Version (Optional)

$747.45$795.16

5 sold
29% off
Constant Temperature Crystal Oscillator Divider Board Supports Clock Signal Upgrade for Optical Drives, Network Cards, and More Constant Temperature Crystal Oscillator Divider Board Supports Clock Signal Upgrade for Optical Drives, Network Cards, and More

Constant Temperature Crystal Oscillator Divider Board Supports Clock Signal Upgrade for Optical Drives, Network Cards, and More

$397.58$559.97

2 sold
10% off
New upgraded enthusiast EMI filtering purification isolation transformer for AC power supply 30W AC 12V, 16V, 18V, 24V New upgraded enthusiast EMI filtering purification isolation transformer for AC power supply 30W AC 12V, 16V, 18V, 24V

New upgraded enthusiast EMI filtering purification isolation transformer for AC power supply 30W AC 12V, 16V, 18V, 24V

$52.20$58.00

22% off
HI end discrete module of HDAM single Operational Amplifier Individual Components To upgrade Muses03 OPA627BP AD797 op amp HI end discrete module of HDAM single Operational Amplifier Individual Components To upgrade Muses03 OPA627BP AD797 op amp

HI end discrete module of HDAM single Operational Amplifier Individual Components To upgrade Muses03 OPA627BP AD797 op amp

$38.74$49.67

75% off
ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker

ZK-1001U TPA3116D2 Mono 100W Bluetooth 5.3 Amplifier Board 9-24V Boost AUX USB Bass Treble for DIY TWS Speaker

$94.19 $376.78

3 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design) BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design)

BREEZE 2027 Shock Upgrade [NAP200 Original Parameter Line] Dual Channel HiFi Post-stage Power Amplifier N2(AP-aided Design)

$1089.74 $2179.48

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter

Douk Audio U2 PRO Upgrade Version XMOS XU316 USB Digital Interface DDC Mini S/PDIF Audio Converter

$478.74 $957.49

22 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier 12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier

12AX7-25 Vacuum Tube Replace ECC83 7025 6N4 for Tube Amp Preamp Hifi Upgrade Phono Preamp Bluetooth Amplifier

$24.00 $24.00

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY

Aogutx EH 6SN7 Vacuum Tube Upgrade 6H8C 6N8P CV181 6F8G CV1988 for HIFI Audio Valve Electronic Tube Amplifier Kit Match Quad DIY

$735.47 $735.47

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna

Upgraded Version of the Latest Hdtv Indoor and Outdoor Digital Tv Enhanced Dtmb Tv Antenna

$57.29 $114.58

11 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier

BREEZE 2027 new upgrade BRZHIFI PAD-30 small home fever level digital power amplifier TPA3255 dual core power amplifier

$442.49 $884.98

8 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
6% off
Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast

Free shipping LPS-A6 Upgraded Linear Power Board Special Filtering Module For Eversolo DMP-A6 Data Broadcast

$858.22 $913.00

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts

PSVANE Air Series 5U4G Rectifier Vacuum Tube, Replace 5U4GB 274B 5Z3P, HiFi Audio Tube Amplifier Upgrade Parts

$64.18 $64.18

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
22% off
A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades

A2BA TPA3110D Stereo Amplifier Board 30W X 2 Stereo Module for Speaker DIY Upgrades

$14.64 $18.77

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer

YS-HT21 2.1 Channel Digital Audio Amplifier 160Wx2+220W TWS Wireless Bluetooth HiFi Power Amplifier Upgraded High Tone Subwoofer

$219.00 $438.00

6 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
2% off
TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna

TV Antenna With Amplifier 4K 1080P Indoor Digital Hd Upgraded Full 360° Signal Reception Digital Antenna Free Channel TV Antenna

$217.02 $221.45

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box

ShuGuang 300B-T / Matched Pair / HIFI Upgrade / Vacuum Tube / HIFI Amplifier / Original Box

$339.99 $339.99

Categories: Consumer Electronics, Home Audio & Video

Buy Now
10% off
GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS

GHXAMP 500W Amplifier Switch Power Supply Dual DC 80V 24V 36V 48V 60V LLC Soft Switch Technology Replace Ring Cow Upgrade 1PCS

$35.09 $38.99

10 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
40% off
Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2 Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2

Juson Audio Upgraded Verison JTA100-N Integrated Tube Amp With Headphone Sub Output 100WRMS*2

$2441.10 $4068.50

8 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
27% off
Upgrade B-063 TPA3255 Parallel High Power Amplifier Board 600W Mono PBTL XH2.54Mm 2PIN Connector-ABFT

Upgrade B-063 TPA3255 Parallel High Power Amplifier Board 600W Mono PBTL XH2.54Mm 2PIN Connector-ABFT

$38.74 $53.07

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
33% off
GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers

GE 5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade for 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers

$13.39 $19.98

5 sold

Categories: Consumer Electronics, Home Audio & Video

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30% off
Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V

Version Upgraded 300W Power Amplifier With Speaker Protection 1943+5200 Hifi High-Power Audio Amplifier Board DC 20V-90V

$77.38 $110.55

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade 60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade

60W R-Core Transformer Low Noise Linear Power Supply DC 5V-24V for Home Theater Amplifier HiFi Audio Device Upgrade

$688.04 $688.04

7 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
31% off
Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement

Zerofox sa100/200 fully discrete audiophile audio op-amp, single/dual options available, hifi upgrade replacement

$341.59 $495.06

Categories: Consumer Electronics, Home Audio & Video

Buy Now
37% off
Op amp decoupling base, upgrade base, op amp base Op amp decoupling base, upgrade base, op amp base

Op amp decoupling base, upgrade base, op amp base

$111.45 $176.90

6 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
32% off
8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module 8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module

8th Generation Upgraded Version Original High-Fidelity Audiophile Discrete Dual Operational Amplifier Chip Integrated Module

$1096.17 $1612.02

Categories: Consumer Electronics, Home Audio & Video

Buy Now
30% off
PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia

PUZU PZ-C7 Wiring Harness 4X150W Car DSP Amplifier Car Radio Sound Upgrade Digital Audio Signal Processor For Hyundai Kia

$922.88 $1318.40

199 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
14% off
Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5 Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5

Golden Throat Preamplifier A100 Upgrade High-Definition Amplifier Board Ultimate Flagship Version A100SSPV5

$9.62 $11.19

3 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
53% off
Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade

Shuguang KT100 Vacuum Tube - Compatible with KT88/6550 - High Power Audio Amplifier Upgrade

$37.53 $79.85

7 sold

Categories: Consumer Electronics, Home Audio & Video

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45% off
LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing

LHY Audio 25W Dc12v Low Noise DC Stabilized Linear Power Supply Upgrade HiFi Audio Audio Routing

$580.66 $1055.75

16 sold

Categories: Consumer Electronics, Home Audio & Video

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49% off
Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board

Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 DC 20V-90V HIFI High Power Audio Amplifier Finished Board

$175.20 $350.39

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad

Aogutx PSVAEN Acme 805 A805 Vacuum Tube Upgrade 805A 805AT 805M HIFI Audio Valve Electronic Tube Amplifier Diy Matched Quad

$839.45 $839.45

5 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
32% off
Operational Amplifier Upgrade Socket Operational Amplifier Upgrade Socket

Operational Amplifier Upgrade Socket

$178.03 $261.81

3 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube

PSVANE Horizon 12AT7-AT / ECC81 Vacuum Tube Amplifier Upgrade B739 6201 6J8P 6SJ7 EF86 HIFI Audio Valve Electron Tube

$233.81 $233.81

22 sold

Categories: Consumer Electronics, Home Audio & Video

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20% off
Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing

Shuguang 6DJ8 vacuum tube upgrade 6922/6N11 / ECC88 vacuum tube new authentic original precision pairing

$419.38 $524.23

1 sold

Categories: Consumer Electronics, Home Audio & Video

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