Owner’s Manual XS-8K XS-8X FEATURES 9 dB/oct, Variable Bass Boost o Dual MOS-FET PWM Power Supply 180 Variable Phase Shift Stable into 1 Ohm Mono Load 4 Way Protection Circuit 24 dB/oct, Variable Low Pass Filter (Thermal, Voltage, Speaker Short and DC) 24 dB/oct, Variable Subsonic Filter Subwoofer Level Controler Included XS-8K Voltage Range: 8.5V ~16V XS-8X Voltage Range: 8.5V ~18V SPECIFICATIONS Rated Power Output XS-8K @ 12.5V XS-8X @ 18V -RMS Power, 2 Ohm Strapped ------------------------------ 16,000W x 1CH 20,000W x 1CH -RMS Power, 1 Ohm Mono ---------------------------------- 8,000W x 1CH 10,000W x 1CH -RMS Power, 2 Ohm Mono ---------------------------------- 4,000W x 1CH 5,000W x 1CH -RMS Power, 4 Ohm Mono----------------------------------- 2,000W x 1CH 2,000W x 1CH Low Pass Frequency Crossover ----------------------------------- 35Hz~250Hz Subsonic Filter -------------------------------------------------------- 10Hz~50Hz 0~9dB Bass Boost @ 45Hz ------------------------------------------------- 0~180 Degree Phase Shift Control---------------------------------------------------Frequency Response-------------------------------------------------- 15Hz~270Hz (+/- 1dB) Input Sensitivity------------------------------------------------------- 0.2V~6V (+/- 5%) 90dB Signal/Noise Ratio----------------------------------------------------- <0.1% T.H.D @ 4 Ohm------------------------------------------------------ 86% Recommended Fuse Rating---------------------------------------Operating Voltage ---------------------------------------------------Dimensions------------------------------------------------------------- 800A (External Type Fuse) 8.5V~16V 8.5V ~ 18V 11.33(W) X 2.58(H) X 34.65(L) Inches e products without notice. POWER CONNECTIONS HEAD UNIT FUSE 800A GROUND GROUND BATTERY Caution This amplifier is not supplied with a internal fuse. Make sure you install a in-line fuse holder from the postitive (+) terminal of battery. Recommend 800 Ampere fuse. +12V Power Connect the +12V terminal of the amplifier to the positive (+) terminal of the battery using the same diameter cable as the ground cable, making sure you install a in-line fuse holder, approximately 300 or 400 mm. from the positive (+) terminal of battery. GROUND Disconnect the battery and connect the GND (ground) terminal to the cars chassis. Keep this cable as short as possible (not longer than 20 inches or less). Making sure that the connection with the chassis is rust free and clear of paint or grime. REMOTE Connect the REM terminal of the amplifier to the power antenna terminal in the car ignition switch using 12 or 14 ga. electrical wire. RCA & SPEAKER CONNECTION XS-8K & XS-8X INPUT CONNECTION HEAD UNIT Wired Remote Control XS-8K & XS-8X SPEAKER CONNECTION 4 ~ 1ohms XS-8K & XS-8X Speaker Connection 1 4 ~ 2ohms XS-8K & XS-8X Speaker Connection 2 4 ~ 2ohms DUAL AMP INPUT & SPEAKER CONNECTION ( STRAPPED ) MASTER & SLAVE RCA CONNECTION "MASTER UNIT" HEAD UNIT 4~2ohms "SLAVE UNIT" positive terminal of the subwoofer's voice coil must be connected to the positive terminal of the MA of the subwoofer's voice coil must be connected to po When wiring two amplifiers to a single subwoofer, please make sure power handling capabilities will not be exceeded. Caution !! When in strapped mode connection, XS-8K & XS-8X the minimum working impedance is 2 Ohms. Any impedance (load) lower than 2 Ohms can damage the amplifiers. DUAL AMP POWER CONNECTION (STRAPPED) POWER CONNECTION Remote Turn-On FUSE 800A GROUND GROUND BATTERY FUSE 800A GROUND GROUND BATTERY Caution !! XS-8K Operating Voltage: 8.5V to 16V at 1Ohm. XS-8X Operating Voltage: 8.5V to 18V at 1Ohm. Strapped Minimum Impedance is 2 Ohms. TROUBLE SHOOTING prevent any damages from misuse or faulty conditions. If XS-8K & XS-8X sense excessive heat, short circuited speakers DC, or voltage the protection indicator to check the problem, you should turn all levels down for wiring mistakes or short. If XS-8K & XS-8X shut down due to excessive heat, they will remain in thermal protection until amplifier reaches normal operating temperature. Before removing your amplifier, refer to the list below and follow the sugguested proceedures. NO OUTPUT Check remote turn-on voltage at amplifier and headunit, when remote turn-on voltage is low or no turn-on voltage, there is no sound. Check fuses at the battery side or external fuses and all wire connections. Check RCA Input is properly connected. AMPLIFIER SHUT DOWN ( PROTECTION ) Please check POWER, GND and REMOTE wire connection and other wires properly connected. When DC is over 4V at input, try by replacing head-unit or source. on after it cools down. Please install amplifier in a better ventilated area. XS-8K & XS-8X have a minimum working impedance of 1ohm as single unit. Strapped connection is 2 ohm XS-8K voltage protection at low and high is 8.5V ~ 16V, XS-8X is 8.5V ~ 18V. Make sure Chassis and Remote use same GROUND. DISTORTION & NOISE Check all ground connections of all other audio equipment. POOR BASS RESPONSE Check speaker wiring and reverse polarity. Crossfire Car Audio 3247 Story Rd. West Irving, TX. 75038 972.570.0800 or 800.332.2771 www.crossfirecaraudio.com
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