INSTALLATION STEP 2

WIRING

POWER AND GROUND

To ensure maximum output from your REFERENCE404s amplifier, use high quality, low-loss power and ground cables. The REFERENCE404s amplifier will accept up to 4 gauge power and ground cables. Determine from the chart

 

up to 10’

up to 20’

 

 

 

REFERENCE404s

Soundstream Power40 or

Soundstream Power40

 

Power80

(4 ga.)

 

(4 or 8 ga.)

 

 

 

 

CIRCUIT BREAKERS/FUSES

EXTERNAL

Like all audio components, the REFERENCE404s amplifier must be fused near the battery. A fuse or circuit breaker must be located within 18” of the battery. This will prevent a fire in the event of a shorted cable. See the chart below to determine the correct fuse value.

INTERNAL

The REFERENCE404s amplifier is fused with automotive-type fuses. In the event of blown power supply fuses, the “Fault” indicator on the front panel will light. The fuses are accessible via a plastic plug on the bottom of the amplifier. See the chart below to determine the fuse value. Never replace the fuses with a higher value than what is supplied. This may result in amplifier damage and will void the warranty!

REFERENCE404s Amplifier Fuse Values

Amplifier

Amplifier Fuse

Battery Fuse

 

 

 

REFERENCE404s

(2) 25 amp automotive

60 amp

 

 

 

WIRING (cont.)

REMOTE TURN-ON

Connect the “Remote” to the turn-on lead from the source unit. When +12 volts is received, the amplifier will turn on.

SIGNAL CABLE

Use a high-quality cable that will be easy to install and has minimal signal loss to guarantee optimum performance. Soundstream’s DL￿1 and SL￿1 are ideal.

SPEAKER CABLE

The REFERENCE404s amplifier will accept up to 8 gauge speaker cable. Use a high quality, flexible, multi-strand cable for best performance and longevity.

WIRING DIAGRAM

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Soundstream Technologies 404s owner manual Wiring Diagram