The module runs on the common 12VDC (14.4V maximum) automotive power supply. The circuit has two key segments – an active subwoofer filter and the subwoofer power amplifier. On quick inspection, the ...

Opamps A6/A7 function as the lowpassfilter, A8 as the output amplifier for the subwoofer signal. The signal level can be balanced between the subwoofer and the satellite lines. The power needed for ...

The crossover is an electronic circuit that routes all frequencies ... In turn, the wireless receiver built into the ...

2) Replace the T-Amp with an amplifier that has a subwoofer pre-out 3) Replace the subwoofer with one that has a better auto-on circuit -- how would I even tell before I bought one? I had a ...