USB decoding power amplifier, active speaker earphone, high and low frequency preamplifier. Frequency response: 20Hz-20KHz ± 2dB

Bluetooth fever hifi lossless decoding high-power tube amplifier tube power amplifier USB, frequency response: 20-20Khz +/- 2dB

6n2 6n6 tube amplifier + 2 inch rosewood speaker set, output power: 10W×2 frequency response: 20Hz-20KHz + 0.5dB/-1dB

12wx2 HIFI mini power amplifier, amp player with lossless decoding amplifier. Frequency response: 20Hz-20KHz +-1 5dB

TPA3255 Class D digital mono power amplifier board 600W, ultra-low distortion,Frequency Response: 20Hz to 20KHz

KRELL KSA-50 Class A 50W Mono Power Amplifier Board, output impedance: 4-8Ω, frequency response: 20Hz-20KHz

6J1 tube single-ended class A bile head amplifier, bile preamplifier, frequency response 20-20khz+/-0.2db, S/N95db

Small 300B EL34 small power pure Class A stereo power amplifier, frequency response: 20HZ-20KHZ or 20Hz--25KHz

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TDA7293 triple parallel 150W mono power amplifier board, output impedance: 4-8Ω, frequency response: 20Hz-20KHz (-3dB)

Edison version 6P1 tube power amplifier, class A single-ended, with Bluetooth, power: 8w, frequency response: 20HZ-20KHZ

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Dynaco 6V6 6P6P push-pull circuit tube power amplifier, 12AX7 push，output power 10WX2，Frequency response 20HZ-20KHZ

6J8P FU50 small 300B, Spartan F1 tube amplifier, output power: 8W+8W Frequency response: 20hz-20khz

TUBE-P1 single-ended Class A 6J1 tube amplifier, 6P1 phono vinyl phono amplifier. Frequency response: 20Hz-20kHz

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1 input 4 output audio splitter, lossless switching amplifier stereo signal distribution, Frequency response: 20HZ-20KHZ

Permalloy audio transformer 600Ω: 2K4 all-round transformer, frequency response 10HZ ～ 50KHZ -0.9db, 20HZ ～ 20KHZ -0.2db.

PT-2 600Ω: 2K4 German Permalloy audio transformer, frequency response: 10HZ ～ 50KHZ -0.9db, 20HZ ～ 20KHZ -0.2db

1 input 4 output audio splitter, lossless switching amplifier stereo signal distribution,Frequency response: 20HZ-20KHZ

600Ω: 600Ω permalloy audio transformer, single-ended to balanced, frequency response 10HZ ～ 40KHZ -0.5db 20HZ ～ 20KHZ -0.2db

New small 300B EL34 low-power pure class A stereo power amplifier/frequency response: 20HZ-20KHZ/20Hz--25KHz

6G2P+6P12 6W+6W Single-ended Class A Fever Low-power Tube Amplifier Frequency Response: 20HZ-28KHz ±2db

New small 300B EL34 low-power pure class A stereo power amplifier/frequency response: 20HZ-20KHZ/20Hz--25KHz

NEW 6H2N 6P13P 6Z4 Spartan P1 luxury high-end tube 5.5W+5.5W tube amplifier DIY kit frequency response: 20hz-20khz with BT 5.0

6N2 6P13P 6Z4 Spartan P1 luxury high-end tube 5.5W*2 tube amplifier DIY kit, frequency response: 20hz-20khz with bluetooth 5.0

New 6N2 6P13P 6Z4 Spartan P1 luxury high-end tube 5.5W+5.5W tube amplifier DIY kit, frequency response: 20hz-20khz with BT 5.0

Latest 10W+10W 6N6+6N2 SEPP Amplifier Desktop Amplifier Audio, 6N2*1、 6N6*2, Frequency Response: 20Hz-20KHz

Latest upgrade 6V6 6P6P push-pull circuit tube power amplifier, 12AX7 push，10WX2，Frequency response 20HZ-20KHZ

Dynaco 6V6 6P6P 10W * 2 push-pull circuit tube amplifier tube amplifier 12AX7 push, frequency response range , 20HZ-20KHZ

6V6 6P6P 10W * 2 push-pull circuit tube amplifier tube amplifier 12AX7 push, frequency response range , 20HZ-20KHZ

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