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Radio Shack XL-400 - page 1
Owner’s Manual Please read before using this equipment. XL-400 High Power 4/3/2-Channel Bridgeable Amplifier 12-2018.fm Page 1 Friday, May 12, 2000 12:46 PM ...
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Radio Shack XL-400 - page 2
2 ˆ Contents Features ........... .............. .............. .............. .............. ................. .............. .............. ...... ........ .... 3 Preparation ......... .............. .............. .............. .............. .............. .............. .............. ........ ... ....... 4 Supplied Hardware ........... .... ...
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Radio Shack XL-400 - page 3
3 Features ˆ Features Your RadioShack High Power 4/ 3 /2 - C ha n- nel Bridgeable Amplifie r produces a total of 400 watts to give added punch and power to your vehicle’s existing auto sound system. The amplifier produces up to 200 watts per channel (if bridged) of clean, pow erful sound at all audio frequencies with minimum distor- tio n. Y ou ...
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Radio Shack XL-400 - page 4
4 Preparation ˆ Preparation SUPPLIED HARDWARE Your amplifier comes with the follo wing items. Be sure you locate everything shown before you store or dispo se of the pa cki n g mate ri al s. BEFORE Y OU BEGIN THE INSTALLATION Before you install your amplifier, read all the instructions in this owner’s manual. You should be able to answer all of ...
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Radio Shack XL-400 - page 5
5 Preparation Warning: The amplifier gets very hot while it is on. Do not touch the a mplifier or place flammable objects near it. Preparing the Mounting Area Before you mount the amplifier, make su re you have these materi als. • an adapter harness • additional wire • shielded audio cables • 16- or 18-gauge ma rked or color-coded wires The ...
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Radio Shack XL-400 - page 6
6 Preparation Cautions: • For added safety and to protect your amplifier and auto sound system, dis- connect the cable from your vehicle’s negative ( – ) battery terminal be fore you begin. • Be sure your speakers can ha ndle as much as 400 watts of power (200 watts per channel if you connect your auto sound system to one pair of speakers a ...
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Radio Shack XL-400 - page 7
7 Preparation This connection turns on the ampl ifier when you turn on the auto sound sys- tem, and turns off the amplifier when you turn off the auto sound system. This prevents your vehicle’s battery from being drained if you lea ve your amplifier on when you turn of f your auto sound system. If your auto sound system does not have a switched p ...
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Radio Shack XL-400 - page 8
8 Connecting Inputs ˆ Connecting Inputs LOW-LEVEL INPUTS You can connect your auto sound system’s low-level line out jacks to the amplifier’s low- level line in jacks. If your auto sound system does not have low-level line out jacks, see “Hig h-Level (Speaker Wire) In puts” on Pa ge 9 to connect your amplifier. Note: For the best results, ...
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Radio Shack XL-400 - page 9
9 Connecting Inputs If your auto sound system has two li ne out jacks (left and right) , connect the auto sound system to th e amplifier . Note: For the best results, use shielded au dio Y-adapters (not supplied) available at your local RadioShack store. HIGH-LEVEL (SPEAKER WIRE) INPUTS If your auto sound system does not have low-level line out jac ...
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Radio Shack XL-400 - page 10
10 Connecting Inputs Four Speaker Outputs Floating Grou nd Connection Common Ground Con nection Gray/Black White/Bl ack Gray White Right Rear + Speaker Left Rear + Speaker Violet/Black Gree n/Black Violet Green Left Rear – Speaker Right Rear– Speaker Right Front + Speaker Left Front + Speaker Left Front – Speaker Right Front– Speaker Auto S ...
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Radio Shack XL-400 - page 11
11 Connecting Inputs Two Speaker Outputs Floating Grou nd Connection Common Ground Con nection Right + Speaker Left + Speaker Violet/Black Green /Black Violet Green Left – Speaker Right – Speaker Auto Sound System G r a y Gray/ Black White/ Black White Right + Speaker Left + Speaker Violet/Black Green /Black Violet Green Common G r a y Gray/ Bl ...
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Radio Shack XL-400 - page 12
12 Connecting Inputs CONNECTING SPEAKERS You can connect four speakers, tw o speak- ers and a subwoofer, or just two speakers to the amplifier and your auto sound system. Important: Before you make the connec- tions, make sure both BRG/ST switches (on the left and right sides of the amplifier) are set to ST . Preparing the Speaker Wires Caution: Yo ...
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Radio Shack XL-400 - page 13
13 Connecting Inputs Connecting Four Speakers 1. Use a screwdriver to connect the front left speaker ’s positive (+) wire to the amplifier ’s CH1 (+) terminal. 2. Use a screwdriver to connect the front left speaker ’s negative (–) wire to the amplifier ’s CH1 (–) terminal. 3. Repeat Steps 1–2 to connect the front right speaker ’s po ...
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Radio Shack XL-400 - page 14
14 Connecting Inputs Connecting T wo Speakers (Bridged Connection ) Caution: This connection produces 200 watts per channel. Use this co nnection only if you have high-power sp eakers th at can han- dle a power output of 200 watts. Note: CH2 (+) and CH4 (+) are used as nega- tive (–) terminals for a bridged connection. 1. Use a screwdriver to con ...
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Radio Shack XL-400 - page 15
15 Connecting Inputs 4. Use a screwdriver to connect the sub- woofer ’s positive (+) wire to the ampli- fier ’s CH3 (+) or CH4 (+) terminal. 5. Repeat Step 4 to connect the sub- woofer ’s negative (–) wire to the ampli- fier ’s negative (–) terminal for the same channel you connected in Step 4. For example, if you connected the sub- woo ...
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Radio Shack XL-400 - page 16
16 Completing the Installation ˆ Completing the Installation T ESTING THE CONNECTIONS Before you continue, make sure you have securely made all connections. Then reco n- nect the cable to the ve hicle’ s negative ( – ) battery terminal. Set LEVEL (MIN/MAX) on the left and ri ght sides of the amplifier to its mid position (see “Adjusting the ...
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Radio Shack XL-400 - page 17
17 Completing the Installation 5. Secure the amplifier to the mounting surface using the supplied she et metal screws and washers. 6. Reconnect the wiring. 7. Reconnect the cable to the vehicle bat- tery’s negative (–) terminal. 8. Reset your vehicle’ s clock, your auto sound system’s tuner memory , and other timer/memory devices. 12-2018.f ...
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Radio Shack XL-400 - page 18
18 Operation ˆ Operation T URNING ON THE AMPLIFIER The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition switch to ACC or ON or turn on your auto sound system, depending on how you wired the system. The POWER indicator on the side of the amplifier li ghts when the amplifi er is on. Important: Your amplifier re ...
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Radio Shack XL-400 - page 19
19 Operation ADJUSTING FREQUENCY CROSSOVER If you installed a subwoofer u sing the steps in “Connecting Two Speakers and One Sub- woofer (Unbridged Connecti on)” on Page 14 or “Connecting Two Unbri dged Speakers and One Bridged Subwoofer” o n Page 15, set X-OVER FREQ ON/OFF to ON , then adjust X-OVER FREQ for your vehicle’s acoustics. The ...
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Radio Shack XL-400 - page 20
20 Troubleshooting ˆ T roubleshooting We do not expect you to have any problems with your Ra dioShack Hi g h P o we r 4/3/2-Channel Bridgeable Amplifier, but if you do h ave a prob lem, this chart mig ht hel p. If not, take the a mpli- fier to your local RadioShack store for assistance . Symptom Possible Cause Suggestion No power — the amplifier ...
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Radio Shack XL-400 - page 21
21 Troubleshooting CARE To enjoy your amplifier for a long time: • Keep the amplifier dry . If it gets wet, wipe it dry immed iately . • Use and store the amplifier only in nor- mal temperature environments. • Handle the amplifier gently and care- fully . Do not drop it. • Keep the amplifier away from dust an d dirt. • Wipe the amplifier ...
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Radio Shack XL-400 - page 22
22 Troubleshooting 2. For each fuse, grasp its plastic end and pull it out of the back of the amplifier . 3. If the fuse is blown, replace it. Use only a blade-type fuse wi th the proper rati ng. The fuse must be 30 amps. 4. Grasp the fuse’s plastic end and pu sh it in. 5. Reconnect the cable to th e vehicle’s negative (–) battery terminal. 1 ...
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Radio Shack XL-400 - page 23
23 Specifications ˆ Specifications Output Power: Stereo ....................................................................... 65 Watts × 4 @ 4 Ohms, 20–20 kHz, 0.5% THD 100 W atts × 4 @ 4 Ohms, 20–20 kHz, 10% T HD 75 W atts × 4 @ 2 Ohms, 20– 20 kHz, 0.5% THD 80 W atts × 4 @ 2 Ohms, 20–20 kHz, 1% T HD Bridged ......................... ...
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Radio Shack XL-400 - page 24
12-2018 05A00 Printed in China RadioShack A Division of Tandy Corporation Fort Worth, Texas 76102 Limited One-Y ear Warranty This product is warranted by RadioShack against manufactu ring defects in material and workman- ship under normal use for one (1 ) year from t he da te of pu rchase from Radi oSha ck compan y- owned stores and authorized Radi ...
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