Choosing 6N2 and EL84 tubes to amplify the low-frequency voltage and power amplification, and 6Z4 tube to rectify. Each tube has been tested by GS-5A tube tester and distortion test, with low power consumption and high efficiency. Using The classic two-stage negative feedback amplifier, with stable overall performance and low noise. It is suitable for classical and vocal music, and the output sound is pure, warm, delicate and mellow. High-quality components can ensure sound quality such as Japanese chemical electrolytic capacitor; ALPS potentiometer; Italian Arcotronic coupling capacitor; Taiwan Kunmao metal film resistor and FR4 epoxy glass fiber circuit board. With 1.4mm steel plate, aluminum alloy CNC panel and knob and high-quality gray paint. Very perfect in circuit design and workma.
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New 6N2 push 6P1 tube amplifier DIY kit or finished, 5.0 Bluetooth, support USB lossless playback, with fm stereo radio
Aliexpress UK
Power：15W+15W. Total Power Dissipation:33W. Storage and Junction Temperature:-40- +150℃.
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2 CH HOOD JLH2003 Stereo Single-ended Class A Power amplifier DIY Kit/Finished board 22W+22W
Aliexpress UK
1 x 20W HIFI Mono Channel LM1875T Stereo Audio Amplifier Board Module DIY Kit. Output Power: Typical 20W (maximum 30W). (RC low-pass circuit considered by the maximum range 3.29Hz-482.29kHz).
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AS22 AK45 HiFi Digital Amplifier 40Wx2 2.0 Channel Digital Bluetooth Amplifier 400Wx2 AC 90-240V Stereo Audio Amplifier Receiver
Aliexpress UK
The kit is supplied without speakers so you are free to choose your own. Supplied with assembly instructions. 10W power per channel. Kit includes PCB and all components to make one stereo amplifier.
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Home Digital Amplifiers Hifi Stereo Audio Power Amplifier 200W+200W Dual Channel Power Amp 125x75x40mm 1-2pcs
Aliexpress UK
1PCS Two channel 2.0 15W+15W TDA2030A hifi stereo amplifier AMP board DIY Kit Hifi Enjoy Board Moduile. Left and Right channel 15w 2. This is diy kit. Board size: 75mm 90mm. AFRICA : All countries in Africa;.
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Nobsound Mini Bluetooth 5.0 TPA3116 Digital Amplifier Hifi Stereo Audio Receiver Power Amp 50W+50W Car Sound Amplifiers
Aliexpress UK
1PCS Two channel 2.0 15W+15W TDA2030A hifi stereo amplifier AMP board DIY Kit Hifi Enjoy Board Moduile. Left and Right channel 15w 2. This is diy kit. Board size: 75mm 90mm.
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Headphone Amplifier 8 Channels Mini Amplifier with Stereo/Mono Switch Ultra-Compact Stereo Audio Amplifier Home Amplifier AMP
Aliexpress UK
Connects2 CTKBM01 Double DIN Installation Kit for BMW 3-Series (2005-2012) - Non-Amplified, Automatic A/C. The Connects2 CTKBM01 installation kit is designed to upgrade the stereo system in BMW 3-Series (E90, E91, E92, E93) models from 2005 to 2012.
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Nobsound AV-525 HiFi Hybird Stereo Valve Tube Amplifier Bluetooth 5.0 Audio Receiver COAX / OPT Power Amp USB Player
Aliexpress UK
IP44 3Pin Industrial Plug Socket 16A 32A 240V Waterproof Power Cable Connector. 3mm-14mm Rigid Flange Wrench Coupling Motor Guide Shaft Coupler Motor Connector. 1Piece Power amplifier board. Compatible with various speakers.It is widely used in refitting loudspeakers, power amplifiers and automotive Bluetooth devices.
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Stereo Amplifier Motorcycle Amplifier Stereo Amplifier 12V Portable Clear Sound Quality Mini Amplifier for Car Motorbike Home
Aliexpress UK