Collection: Hi-Fi & Linear
Browse Hi-Fi and linear amplifier boards for detailed, high-quality audio builds. Explore Class A, traditional Hi-Fi, and high-power amplifier designs for DIY audio systems.
-
SU50 Pure Class‑A High‑Power Amplifier Board Kit, 2 Boards, Balanced Input
Regular price From $21.00Regular priceUnit price / per$23.00Sale price From $21.00Sale -
QUAD606 QUAD707 Finished Power Amplifier Completed HIFI Post‑Amp DC ±25V‑±55V Power Supply
Regular price From $584.00Regular priceUnit price / per$648.00Sale price From $584.00Sale -
STK4221II Sanyo 80W + 80W Stereo AF Audio Power Amplifier IC Module
Regular price $14.00Regular priceUnit price / per$21.00Sale price $14.00Sale -
2pcs QUAD405 Mono Audio Power Amplifier Board DC +/-30V to +/-50V (3A)
Regular price $112.00Regular priceUnit price / per$126.00Sale price $112.00Sale -
LJM L20SE 350W+350W 4ohm TTA1943 TTC5200 Kit Amplifier Board
Regular price $68.00Regular priceUnit price / per$76.00Sale price $68.00Sale -
Accuphase E405 Modified Front and Rear Merge Power Amplifier Board
Regular price From $36.00Regular priceUnit price / per$42.00Sale price From $36.00Sale -
DIY Accuphase E210 Modified Power Amplifier Board
Regular price $69.00Regular priceUnit price / per$77.00Sale price $69.00Sale -
Hifi 1500W Powerful Final Mono Amplifier Board + TTC5200 TTA1943 Tube Heatsink
Regular price $279.00Regular priceUnit price / per$308.00Sale price $279.00Sale