Product details of 1Piece DX338A HIFI Tone Board Preamplifier Control Board High Performance
- Module: DX338A series preamplifier volume control board；Voltage: dual AC12v
- Operational amplifier type: NE4558 (with four buttons for treble, bass, balance, total volume control).
- AA-type tone circuit technology, capable of driving composite dynamic impedance load headphones, combined with attenuated tones.
- With four 25V 1000UF filter capacitors.
- With equal loudness and through switch for improving sound characteristics.
- The circuit board has reasonable wiring, low noise, and beautiful component layout.