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X-Over Switch
• By using the Mono/Subwoofer-mode the X-Over - switch should be set to the LP/BP-position (LOW PASS/BAND PASS), so the
higher frequencies are cut off. The cut-off frequency should be between 60Hz - 100Hz. Adjust the level with the LOW PASS-
controller. In LP/BP-Mode the Highpass-controller (HI PASS) is working also as Subsonic-Filter. The Subsonic frequency should
be between 15Hz - 40Hz, depending on the size of the installed subwoofer.
Input Level
• Turn the LEVEL control of the amplifier to 6V position.
• Turn the head unit volume control to about 80% - 90% of its full setting.
• Turn the LEVEL control clockwise until you hear some distortion.
• Then turn back the LEVEL control slightly until you can hear a clean sound.
Bass EQ
• This Controller regulates the Bass Boost from 0 - 18 dB.
Caution!
Please use the Bass-EQ carefully. The additional boost may result in clipping or overload.
Bass Remote
• The provided Bass Remote regulates the Bass Level from e.g. the driver's seat.
Connect RCA outputs (CH1/2 or SUB OUT) of the head unit
with LINE INPUT (CH1/2 and CH3/4) of the amplifier.
Subwoofer
4 - 8 Ohm
0dB
18dB
Bass Remote Control - Connection for remote control.
This Contoller regulates the Bass Level from e.g. the driver's seat.
Speaker & RCA Connections
TXi 4000 / TXi 6000
1-Channel-Mode Mono Subwoofer bridged
RCA & Speaker wiring:
• Connect the LINE INPUT of the amplifier to the head unit line output with appropriate good quality RCA cables.
• Connect the subwoofer with appropriate wires to the terminal block (SPEAKER OUTPUT - Mono b) of the amplifier.
• The minimum final subwoofer impedance must not be lower than 4 Ohms per channel. Too low speaker loads result in too high
heat dissipation and may cause the amplifier run into protection.
• Please observe correct speaker channels and polarity as printed by the speaker terminal
Caution!
Do not connect speaker (-) to the ground or vehicle's chassis.
