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$59.99 USD $65.00 USD


Some OEM sources/head-units have a test circuit that monitors the presence of a low-impedance load to enable audio outputs. When you connect this type of head-unit to the high-level inputs of an Audison bit processor, which has a high impedance load, audio outputs are silenced. By inserting the USS 4 between the source and the processor / amplifier, these problems are definitively solved. If there is a need to generate a remote signal to control the amplifier turn on/off, it is necessary to power* the USS4, providing the additional feature of the possibility to delay the signal from 1 to 8 seconds, so as to avoid annoying “bumps” upon ignition.

* In countries where the legislation on electromagnetic compatibility is not mandatory under ECE / UN Regulation no. 10/5

Input/Output Channels 4
Input Power Max 50 W
Input Impedance 12 Ω
Output Impedance 12 Ω
Remote Out
(only with 12 VDC Power Supply)
12 VDC 150 mA
Remote Out Delayed
(only with 12 VDC Power Supply)
12 VDC 150 mA; 1 to 8 sec.
Weight (gr / lb.) 90 / 0.19