RI-1650D
1. Amplifier Illumination LEDs, switch to turn on or off
2. Master / Slave, use to link two amplifiers. Set the switch
of first amplifier to the “Master”-position and the switch
of the second amplifier to the “Slave”-position
3. Data Link Port, use two connect two amplifiers via
Master / Slave mode
4. "REMOTE" input port for connection with dash-mounted
low-pass level remote unit
5. Lowpass crossover frequency control, to adjust the
cut-off frequency
6. Bass boost control, LEVEL adjustment for the the bass
boost to get more bass. ATTENTION: Do not increase the
level to high. Damage to the subwoofer can result!
7. Slide switch to choose the phase between 0° or 180°
8. Subsonic crossover frequency control, to adjust the
cut-in frequency of the subwoofer
9. Input gain control, LEVEL adjustment. Use to match
the RCA line output voltage of the head-unit to the
amplifier input section.
10. RCA inputs (left and right channels), line inputs for
connection with RCA line-out’s of the head-unit
11. RCA Outputs (left and right channels), line outputs for
connection with RCA line-in's of another amplifier
12. "GND" for connection to chassis ground or negative
terminal of car battery
13. "REM" for the automatic (remote) turn-on / turn-off
of the power amplifier from the head-unit's remote or
antenna control lead
14. "B+" for connection to the positive terminal of car
battery
15. Status LED, is lit blue when power is on and is lit red
when the amplifier is shut down because of malfunction,
overheating or short-cut on speaker cable leads
16. Terminal block for the speakers or subwoofer
2. INPUTS - OUTPUTS - CONTROLS
