Hifonics HFi100.4 User Manual - Page 7

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HFi55.4 / HFi100.4 4-CHANNEL AMPLIFIER APPLICATIONS

Front/Rear high pass, using a 2 channel amplifier for mono sub bass

The combination of a 2 and a 4 channel amplifier, utilizing their built in

crossovers, makes it a snap to put together a full system with front and rear

highs, with mono sub bass.

Interconnect cable checklist:

- Using good quality RCA cables, feed the front and rear outputs of a head unit to

the inputs of the 4 channel amplifier as shown.

- Also connect the LINE OUT of the 4 channel amplifier to the LINE INPUT of the

2 channel amplifier as shown.

Mono bass woofer wiring:

Connect the mono speaker positive terminal to the LEFT +, and its negative

terminal to RIGHT -.

Switch setting checklist:

4 channel highs amplifier:

- 1/2CH X-OVER: HPF

- 3/4CH X-OVER: HPF

2 channel bass amplifier:

- X-OVER switch: LPF

Crossover frequency control checklist:

- 4 channel highs amplifier:

STEREO

INTERCONNECT

RCA CABLE

Channels 1/2:

- HI PASS: 100 Hz

LOW PASS: N/A

Channels 3/4:

- HI PASS: 100 Hz

- LOW PASS: N/A

2 channel bass amplifier:

- HI PASS (Subsonic filter): 10 Hz to 40 Hz

- LOW PASS: 80 Hz

Please note that these frequency points are suggestions only. Refer to the

loudspeaker manufacturer specifications and the section "Setting up systems

after installation for best performance"

Level control checklist:

- Refer to the section "Setting up systems after installation for best performance"

Minimum final loudspeaker impedances:

- 2 ohm per channel in stereo mode.

- 4 ohm mono bridged.

H F

SUBWOOFER

TO BATTERY +12v

VIA FUSE

REMOTE TURN-ON

CHASSIS GROUND