Quantum Audio QS2150, QS1500D, QS2250 QS4150 & QS4250 Connections 3 Channel Mode

QS4150 & QS4250 CONNECTIONS (3 CHANNEL MODE)

In this example we have selected

HPF (High Pass Filter) for our front channels.

Adjust the HPF (High Pass Frequency)

to desired crossover point for your speakers

Adjust the LPF (Low Pass Frequency) to desired crossover point for your subwoofer

In this example we have selected

LPF (Low Pass Filter) for our bridged channel.

Set the “MODE” switch to the 3 channel position.

R

-4 ch1-2

LINE INPUT

+ - GND - + LEVEL			BASS		LPF X-OVER
			EQ
						full hpf
ch3 ch4
HI	5v	.2v	0dB 12dB	60Hz 1.2KHz	30Hz	lpf
INPUT						full hpf
ch2
GND -	5v	.2v	0dB 12dB	60Hz 1.2KHz	30Hz 250Hz	lpf

2 3 4

MODE

R

L

OUTPUT

R L L R

Optional full range line out connection to additional amplifiers in the system.

CH1-2 SPEAKER OUTPUT POWER INPUT

POWER

PROTECT

BRIDGEDREM +12V

- + - +

FUSE

CH3-4 SPEAKER OUTPUT

L

BRIDGED

-+

4 Ohm Speakers	4 Ohm Speaker
(2 Ohm Minimum)

**CAUTION! In the bridged mode, the amplifier must see a 4 Ohm load or higher. Any lower than 4 Ohms will cause the amplifier to overheat and possibly cause permanent damage to the amplifier!

10