4 channel audio signal level converter

4-channel audio signal level converter The converter guarantees high-quality output signal. Exceptionally durable, heat-resistant housing. (High-frequency output = speaker output) (Low-frequency output = amplifier output) Technical data: Transmission ratio from 3.6:1 V(input) max 14V Suitable for radios with output power: max 40W (music) per channel min 5W (music) per channel Connection: Input 8 loose wires Output 4 gold-plated RCA inputs Installation: 1. Set potentiometer knobs to minimum 2. Connect wires: – green wire to left rear speaker + – green wire to left rear speaker – – gray wire to right rear speaker + – gray wire to right rear speaker – – white wire to right front speaker – – white wire to right rear speaker – – yellow wire to right front speaker – – yellow wire to right rear speaker – 3. Turn on radio supplying external signal to wires 4. Adjust signal level with potentiometers