US $16.7
Feature：
Active filter Preamp tuning board, adopt chip NE5532, can replace OP275, A828, NJM4558, TL072 and other general-purpose dual operational amplifiers
Working voltage: DC9V-24V (5.0*2.1mm)
Output power: rated power 2x770mW stereo (24V/32 ohm)
Output mode: 3.5mm audio terminal
Input mode: 3.5mm audio terminal, 3P-2.54mm terminal audio input, 6P_2.5mm socket
Performance:
Signal to noise ratio: 98±3db
Total harmonic distortion plus noise: <0.01%
Frequency response: 20-20KHz
Low quiescent current/noise suppression
Gain adjustment
Bass 100Hz±8db
Treble 10KHz±8db
size:
Board size: 72mm(L)*53mm(W)*15mm(H)
Potentiometer knob opening: 7mm
Mounting hole spacing: 47.5mm*36mm
Mounting hole size: M3
Package included:
1×preamplifier tone board
2×Audio cable
1×Manal
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