Product function introduction

A977 passive preamp active speaker volume dual-channel controller is small in size and suitable for active speakers or preamp/post-amp
it supports full-balance or input and output of single-ended signal.
The product has functions of independent L/R channel volume adjustment
2 signals input and 2 signals output. It provides balanced XLR and unbalanced RCA connectors which are automatically converted to each other
with a selector switch facilitates the signal switch of input/output.
Small size big intelligence. The product is of small size but has well-function connecters.
It is suitable for decoders and speakers without volume adjustment.
the product has the design of balanced input/output and RCA input/output architecture
with switching function. The operation of the product will not cause loss of signal source.
Generally the audio signal released from the decoder is the original sound source signal.
Great dynamics will not cause loss of sound quality retaining the complete original signal source.

Product parameters

Input/output impedance: 10KΩ - 50KΩ
2 in 2 out switchover unbalanced RCA connector and balanced XRL connector for input/output
Input: unbalanced RCA connector / balanced XLR connector (convert selection)
Output: unbalanced RCA connector / balanced XLR connector (convert selection)
Product net weight: 0.32 kg
Product package weight: 0.42 kg
Product dimensions: length 145mm X width 65mm X height 43mm
Packaging dimensions: length 200mm X width 180mm X height 55mm


Kit list

1 X A977 2 In and 3 Out Switcher Full-balance Passive Preamp Active Speaker Double Sound Source Volume Controller