CH3 HI IN CH3 + - - + CH4 HI IN + - - + CH4 Input Connections inputs 4CH AMPS LA-1099 CH4 CH3 LOW IN CH3 LOW IN CH4 POWER PROTECT POWER PROTECT CH2 CH1 LOW IN CH1 LOW IN CH2 CH1 HI IN CH1 HI IN + - - + CH2 + - - + CH2 REMOTE BASS BOOST REMOTE BASS BOOST head unit L + R Rear Outputs L + R Front Outputs head unit Low Level 4 CH Stereo Input from 4 CH Audio Source Y adaptors Left Output Right Output Low Level 4 CH Stereo Input from 2 CH Audio Source CH3 + - - + HI
CH3 HI IN CH3 HI IN orange black black orange + - - + CH4 L CH4 CH2 R L CH1 HI IN REMOTE BASS BOOST black black orange R orange REMOTE BASS BOOST orange black black orange + - - + CH2 R FRONT CH1 LOW IN FRONT L head unit POWER PROTECT REAR R CH1 HI IN + - - + CH2 wiring harness CH1 LOW IN CH2 head unit POWER PROTECT REAR CH3 LOW IN L CH3 LOW IN CH4 orange black black orange + - - + CH4 Input Connections inputs 4CH AMPS LA-1099 High Level 4 CH Stereo Inpu
- CH1 - + R + CH2 - - CH3 - speakers CH2 - Speaker Connections L CH4 - CH3 - + CH4 - + BRIDGED - + MINIMUM SPEAKER IMPEDANCE 4 OHMS! + + R FUSE FUSE REM REM REM Bridged Mono Output 2 CH Stereo plus Mono-Bridged Subwoofer Output +12V BATT 2 CH Mono-Bridged Output +12V BATT +12V BATT MINIMUM SPEAKER IMPEDANCE 4 OHMS! speakers GROUND R GROUND GROUND MINIMUM SPEAKER IMPEDANCE 4 OHMS! FUSE + BRIDGED - + speaker + BRIDGED - + Mono Subwoofer L CH1 - + BRIDGE
NO! sound around, Inc. 4 ohm 4 ohm 4 ohm 4 ohm 4 ohm 4 ohm 4 ohm 4 ohm Troubleshooting Four 4-ohm speakers, wired in parallel to a bridged four-channel amplifier, will present a 4-ohm mono load to the amplifier. MOST FOUR-CHANNEL AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATION! AMPLIFIER DAMAGE COULD RESULT! NO! 4 -c hannel A m p l i f i e r (Operating in Bridged Mono) STOP Four 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier.
50 A 11.33 X 1.85 X 19 (288 X 47 X 482) 11.46(5.2) 30 A 11.33 X 1.85 X 15 (288 X 47 X 381) 9.04(4.1) MAXIMUM CURRENT DRAW DIMENSIONS, W x H x L, inches (mm) NET WEIGHT, LBS (KG) Features and Specifications specs 14.4 VDC/NEG GD (10.5-16V) 2-4 OHMS 4-8 OHMS 13.01(5.9) (288 X 47 X 532) 11.33 X 1.85 X 21 70 A 2-4 OHMS 4-8 OHMS 2-4 OHMS 4-8 OHMS 14.4 VDC/NEG GD (10.5-16V) MATCHING SPEAKER IMPEDANCE STEREO MODE BRIDGED MODE 7.36(3.34) (288 X 47 X 305) 11.33 X 1.
REM +12V BATT CH3 HI IN 9 + - - + +18db 35 400 POWER PROTECT LPF Hz 10 11 12 CH3 LOW IN 7 BASS BOOST 0 6 CH4 80 Hz 2.5k 80 Hz 2.5k 10 CH1 CH1 9 + - - + HI IN CH2 6 13 REMOTE BASS BOOST 4 LEVEL MAX CH 1/2 +18db MIN BASS BOOST 0 7 400 LOW IN LPF Hz CH2 35 FREQ. FULL LPF HPF FREQ.
+ CH2 - - + CH4 - REM to remote turn-on +12V GROUND head unit FUSE 12V battery +12V BATT Electrical Wiring and Installation CAUTION: Never turn the LEVEL control(s) up any higher than you need to get clear sound at 2/3 volume on the head unit. These adjustments should only be made once. After that, use the head unit volume control to adjust the system volume, not the LEVEL control(s). 5. By fine tuning the LEVEL control(s), you can reduce background and engine noise, if present. 4.
