Page 2 - Contents
2 A400HLX, A600HLX ® Contents Features ......................................... 3 Installation ..................................... 3 Before You Begin ......................................... 3 Disconnect Battery ........................................ 3 Supplies and Tools Needed ..................
Page 3 - Installation; Disconnect Battery; Before You Begin; Supplies and Tools Needed; Features
® A400HLX, A600HLX 3 Installation Disconnect Battery Before you begin, alwaysdisconnect the batterynegative terminal. Before You Begin Before you begin, you will need tools, suppliesand adapters. It is best to make sure you haveeverything you need before you start. + – Supplies and Tools Needed Supp...
Page 5 - Wiring; Power; Fuses
® A400HLX, A600HLX 5 Wiring Power Remote Terminal (REM) Power Terminal (+12V) Connect directly to the vehicle battery+terminal with 8 gauge wire (minimum). Ground Terminal (GND) Connect to a good chassis ground. The groundconnection should be to clean, unpainted metalto provide a good electrical con...
Page 6 - Input Wiring
6 A400HLX, A600HLX ® Inputs, RCA Output, Remote Level Control Input Wiring Low Level Input (RCA Input) Low level (RCA) input is preferred for bestperformance. Most trunk/hatchback installationswill require a 15-20 foot RCA cable. While pick-up trucks and under-seat mounting will requirea 6-12 foot R...
Page 7 - Connecting other Amps
® A400HLX, A600HLX 7 Remote Level Control – RearAmplifier (A600HLX) Remote level control allowsthe input level to be adjustedfor the rear speakers from analternate location. It can bemounted under-dash or in-dash. When the amplifier is used todrive subwoofers, and the lowpass crossover is activated,...
Page 8 - Speaker Wiring Options
8 A400HLX, A600HLX ® 2 Subwoofers/Bridged Mono (A400HLX) 4 Speakers Speaker Wiring Options 2 Speakers + Bridged Subwoofer 2 Ω minimum 2 Ω minimum RF RF LF LF – – + + BRIDGE BRIDGE RR RR LR LR REAR LPF FULL HPF FULL HPF LPF FRONT 4 Ω minimum RF RF LF LF – – + + BRIDGE BRIDGE RR RR LR LR 4 Ω minimum R...
Page 10 - Indicators and Controls; Power / Protect Light
10 A400HLX, A600HLX ® Adjust the crossover to accommodate yourchosen installation method. • LPF–(low pass filter) Select this filter when the amplifier willbe driving woofers orsubwoofers. • FULL–Crossover is not active, amplifier is in “full range”mode. • HPF–(high pass filter) Select this filter w...
Page 12 - Test Power Wiring; Testing; Test Speaker Connections
12 A400HLX, A600HLX ® Test Power Wiring 1. Turn on the receiver but do not turn up the volume. The amplifier power lightshould come on. If not, check theREM and +12V wires. 2. Turn up the receiver volume slightly. All speakers should operate. If not, checkwiring connections at amplifier andspeakers....
Page 13 - Troubleshooting
® A400HLX, A600HLX 13 Troubleshooting Problem Possible Cause Corrective Action Amplifier does not operate (power LED not on) whenvehicle and radio are on Radio volume needs to be turned up too high for amp to work Radio volume is too sensitive Sound from only one speaker Sound distorted Blows fuses ...
Page 14 - Specifications
14 A400HLX, A600HLX ® Specifications A400HLX/A600HLX 4-Channel Amplifiers Frequency Response ....................................................................................... 20 Hz-20 kHz ± 0.5 dB Signal to Noise Ratio @ Rated Power ................................................................