Design Features - Lightning Audio B4.250.2 Instalación Y Operación

Continuous exposure to sound pressure levels over 100dB may cause
permanent hearing loss. High powered auto sound systems may produce sound
pressure levels well over 130dB. Use common sense and practice safe sound.

Design Features

H
E
A. High Level (Speaker) Inputs: The high level inputs use a detachable connector terminated
with 20 AWG leads. These inputs should be used if the source unit has only speaker line
(high level) outputs and not RCA outputs.
B. RCA Input Jacks – Line Level from Radio Pre-outs: The industry standard RCA jack
provides an easy connection for signal level input. They are gold-plated to resist the signal
degradation caused by corrosion.
C. Gain Control: The input gain control is preset to match the output of most source units.
They can be adjusted to match output levels from a variety of source units.
D. Crossover Filter Switch: High (HP) for High Pass - Mid-Tweeter.
E. Speaker Connections: Follow correct polarity, and do not Ground any speaker wires.
Do not connect any speaker wires together.
F. Power Connector terminals: Connects Power, Ground, and Remote
G. Power Fuse: If this Fuse should blow, determine the cause or see your authorized dealer.
Never replace the fuse with one of greater value than the original
H. Adjustable Crossover Frequency Control: 50-500Hz (B4.250.2) – 40-400Hz (B4.320.4)
I. Remote Bass Boost: (B4.250.2 Only) Control your boost from the front of the vehicle.
Adjustable up to 12dB @ 50Hz.
J. Bass Boost: (B4.320.4 Only) Applies 12dB of 50Hz Bass Boost.
PRACTICE SAFE SOUND™
D I C A
G F
Flat for All Pass - Full Range.
Low (LP) for Low Pass - Subs.
B4.320.4
4-Channel
J D H
A
E
C B C H D J
A
G F
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