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- XL-400
- Owner's Manual
Radio Shack XL-400 Owner's Manual
Summary of XL-400
Page 1
Owner’s manual please rea d before usin g thi s e quip m e n t. Xl-400 high power 4/3/2-channel bridgeable amplifier 12-2018.Fm page 1 friday, may 12, 2000 12:46 pm.
Page 2: Contents
2 ˆ contents features .................................................................................................................................. 3 preparation ............................................................................................................................. 4 suppl...
Page 3: Features
3 features ˆ features your radioshack high power 4/3/2-chan- nel bridgeable amplifier 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, powerful sound at all audio freque...
Page 4: Preparation
4 preparation ˆ preparation supplied hardware your amplifier comes with the following items. Be sure you locate everything shown before you store or dispose of the packing materials. Before you begin the installation before you install your amplifier, read all the instructions in this owner’s manual...
Page 5
5 preparation warning: the amplifier gets very hot while it is on. Do not touch the amplifier or place flammable objects near it. Preparing the mounting area before you mount the amplifier, make sure you have these materials. • an adapter harness • additional wire • shielded audio cables • 16- or 18...
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 before you begin. • be sure your speakers can handle as much as 400 watts of power (200 watts per channel if you connect your aut...
Page 7
7 preparation this connection turns on the amplifier 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 leave your amplifier on when you turn off your auto sound system. If your...
Page 8: Connecting Inputs
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 “high-level (speaker wire) inputs” on page 9 to connect your a...
Page 9
9 connecting inputs if your auto sound system has two line out jacks (left and right), connect the auto sound system to the amplifier. Note: for the best results, use shielded audio y-adapters (not supplied) available at your local radioshack store. High-level (speaker wire) inputs if your auto soun...
Page 10
10 connecting inputs four speaker outputs floating ground connection common ground connection gray/black white/black gr ay wh it e right re ar + spea ker left rear + spea ker violet/black green/black vi ole t gr een l e ft rear – speake r right rear – spea ker ri ght fro n t + speake r left fro n t ...
Page 11
11 connecting inputs two speaker outputs floating ground connection common ground connection right + s p eake r left + spe aker violet/black green/black violet green left – speak er right – s p eake r auto sound system gr ay gr ay/ bla c k whi te/ bl ack whi te ri ght + speak er lef t + s p eake r v...
Page 12
12 connecting inputs connecting speakers you can connect four speakers, two 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 se...
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...
Page 14
14 connecting inputs connecting two speakers (bridged connection) caution: this connection produces 200 watts per channel. Use this connection only if you have high-power speakers that can han- dle a power output of 200 watts. Note: ch2 (+) and ch4 (+) are used as nega- tive (–) terminals for a brid...
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 exam...
Page 16: Completing The Installation
16 completing the installation ˆ completing the installation testing the connections before you continue, make sure you have securely made all connections. Then recon- nect the cable to the vehicle’s negative ( – ) battery terminal. Set level (min/max) on the left and right sides of the amplifier to...
Page 17
17 completing the installation 5. Secure the amplifier to the mounting surface using the supplied sheet 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, an...
Page 18: Operation
18 operation ˆ operation turning 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 lights when the a...
Page 19
19 operation adjusting frequency crossover if you installed a subwoofer using the steps in “connecting two speakers and one sub- woofer (unbridged connection)” on page 14 or “connecting two unbridged speakers and one bridged subwoofer” on page 15, set x-over freq on/off to on , then adjust x-over fr...
Page 20: Troubleshooting
20 troubleshooting ˆ troubleshooting we do not expect you to have any problems with your radioshack high power 4/3/2-channel bridgeable amplifier, but if you do have a problem, this chart might help. If not, take the ampli- fier to your local radioshack store for assistance. Symptom possible cause s...
Page 21
21 troubleshooting care to enjoy your amplifier for a long time: • keep the amplifier dry. If it gets wet, wipe it dry immediately. • 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 d...
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 with the proper rating. The fuse must be 30 amps. 4. Grasp the fuse’s plastic end and push it in. 5. Reconnect the cable to the veh...
Page 23: Specifications
23 specifications ˆ specifications output power: stereo ....................................................................... 65 watts × 4 @ 4 ohms, 20–20 khz, 0.5% thd 100 watts × 4 @ 4 ohms, 20–20 khz, 10% thd 75 watts × 4 @ 2 ohms, 20–20 khz, 0.5% thd 80 watts × 4 @ 2 ohms, 20–20 khz, 1% thd br...
Page 24
12-2018 05a00 printed in china radioshack a division of tandy corporation fort worth, texas 76102 limited one-year warranty this product is warranted by radioshack against manufacturing defects in material and workman- ship under normal use for one (1) year from the date of purchase from radioshack ...