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XL-110 High Power
Stereo Amplifier
Owner’s Manual
Please read before using this equipment.
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12-2014.fm Page 2 Tuesday, May 9, 2000 8:51 AM Contents Features .................................................................................................................................. 3 Preparation ............................................................................................................................. 4 Supplied Hardware ............................................................................................................ 4 Before You Begin the Install
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12-2014.fm Page 3 Tuesday, May 9, 2000 8:51 AM Features Your RadioShack High-Power Stereo Amplifi- Hz. This lets you set up the amplifier so you er produces a total of 110 watts to give add- can connect a subwoofer. ed punch and power to your vehicle’s Short Circuit Protection — distorts the am- existing auto sound system. plifier’s sound if any output channel shorts, The amplifier produces up to 55 watts per alerting you to turn off the auto sound sys- channel of clean, powerful sound at
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12-2014.fm Page 4 Tuesday, May 9, 2000 8:51 AM Preparation SUPPLIED HARDWARE Your amplifier comes with the following items. Be sure you locate everything listed before you store or dispose of the packing materials. Power Wire (Red) (1) Ground Wire (Black) (1) Remote Wire (Blue/White) (1) Flat Washers (4) 4-Pin Connector with Wire (1) Twist-On Terminal Connectors (5) Sheet Metal Screws (4) Lock Washers (4) Also, be aware that installation in your vehi- BEFORE YOU BEGIN THE cle might requir
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12-2014.fm Page 5 Tuesday, May 9, 2000 8:51 AM Warning: The amplifier gets very hot while it Then test the connections. When you con- is on. Do not touch the amplifier or place firm that everything works as expected, dis- flammable objects near it while it is on. connect the amplifier, mount it in your vehicle, and reconnect it. Preparing the Mounting Area Caution: If you do not make the connections in the order shown, damage to the amplifier In addition to the supplied hardware, you and your
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12-2014.fm Page 6 Tuesday, May 9, 2000 8:51 AM Cautions: per channel). Each speaker must have an impedance of at least 4 ohms. Your • For added safety and to protect your local RadioShack store has a large vari- amplifier and auto sound system, dis- ety of speakers. connect the cable from your vehicle’s negative (–) battery terminal before you To make it easier to gauge wire length and begin. connect the amplifier, temporarily place the amplifier as close as possible to the selected • Be sure
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12-2014.fm Page 7 Tuesday, May 9, 2000 8:51 AM using one of the supplied twist-on termi- nal connectors. 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 your auto sound sys- tem off. If your auto sound system does not have a switched power lead, connect the blue/white wire’s other end to a poi
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12-2014.fm Page 8 Tuesday, May 9, 2000 8:51 AM 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 amplifier. Note: For the best results, use shielded audio cables (not supplied) available at your local Ra- dioShack store. 1. Temporarily place the amplifier as close as
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12-2014.fm Page 9 Tuesday, May 9, 2000 8:51 AM Note: A floating ground connection lets the HIGH-LEVEL (SPEAKER amplifier provide more power to each speak- WIRE) INPUTS er, but requires that you connect a separate wire to each speaker terminal. A common If your auto sound system does not have ground connection lets you use fewer wires low-level line out jacks but has only speaker to connect the speakers to the amplifier, but outputs, connect your auto sound system’s reduces the amount of powe
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12-2014.fm Page 10 Tuesday, May 9, 2000 8:51 AM Four Speaker Outputs Floating Ground Connection White/Black Gray/Black Right Front Left Front Speaker Speaker Auto Sound System Common Ground Connection Left Front Right Front Speaker Speaker Auto Sound System 10 Connecting Inputs Left Rear + Left Rear + Speaker White Speaker White Left Rear – White/ Speaker Black Common Right Rear– Gray/ Speaker Right Rear + Black Speaker Right Rear+ Speaker Gray Gray
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12-2014.fm Page 11 Tuesday, May 9, 2000 8:51 AM Two Speaker Outputs Floating Ground Connection Gray/Black White/Black Auto Sound System Common Ground Connection Auto Sound System 11 Connecting Inputs Left + Left + Speaker White Speaker White Left – White/ Speaker Common Black Right – Gray/ Speaker Right + Black Speaker Right + Speaker Gray Gray
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12-2014.fm Page 12 Tuesday, May 9, 2000 8:51 AM CONNECTING SPEAKERS You can connect two speakers or a subwoof- 2. Separate each wire’s two conductors at er to the amplifier and your auto sound sys- both ends for a length of about 4 inches. tem. 3. Strip the insulation from the ends of 1 • If you are connecting two speakers, fol- each conductor to expose /4 inch of low Steps 1–3 under “Preparing the wire. Twist the ends to secure loose Speaker Wires” then see “Connecting strands. Two Speakers”
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12-2014.fm Page 13 Tuesday, May 9, 2000 8:51 AM Connecting Two Speakers Left Speaker Right Speaker 1. Use a screwdriver to connect the left speaker’s positive (+) wire to the amplifier’s SPEAKER L (+) terminal. 2. Use a screwdriver to connect the left speaker’s negative (–) wire to the amplifier’s SPEAKER L (–) terminal. 3. Repeat Steps 1–2 to connect the right speaker’s positive (+) and negative (–) wires to the SPEAKER R (+) SPEAKER R (–) amplifier’s and terminals. Connecting a Subwoofe
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12-2014.fm Page 14 Tuesday, May 9, 2000 8:51 AM 2. Use a screwdriver to connect the sub- woofer’s positive (+) wire to the ampli- woofer’s negative (–) wire to the ampli- fier’s SPEAKER L (+) terminal, connect fier’s negative (–) terminal for the same the subwoofer’s negative (–) wire to the channel you connected in Step 1. For amplifier’s SPEAKER L (–) terminal. example, if you connected the sub- Completing the Installation system operate properly. The amplifier turns TESTING THE on after
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12-2014.fm Page 15 Tuesday, May 9, 2000 8:51 AM Note: If you have not already done so, 5. Secure the amplifier to the mounting be sure to mark each wire with the name surface using the supplied sheet metal of the terminal you will reconnect it to. screws and washers. 3. Using the mounting holes on the ampli- 6. Reconnect the wiring. fier as a guide, mark the positions for the 7. Reconnect the cable to the vehicle bat- mounting holes. tery’s negative (–) terminal. 9 4. Drill /64-inch (3.57 mm)
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12-2014.fm Page 16 Tuesday, May 9, 2000 8:51 AM 4. Turn up the auto sound system’s volume ADJUSTING FREQUENCY control until the sound begins to distort. CROSSOVER Then immediately turn the volume down to a point just before where the distor- If you installed a subwoofer using the steps tion began. in “Connecting a Subwoofer” on Page 13, set X-OVER FREQ ON/OFF to ON, then adjust X- Caution: Never turn up the auto sound OVER FREQ for your particular vehicle’s system’s volume control more than
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12-2014.fm Page 17 Tuesday, May 9, 2000 8:51 AM Symptom Possible Cause Suggestion No Sound (continued). The amplifier is not properly Check all connections. connected to your auto sound system/vehicle. The amplifier might have shut Turn off your auto sound system down. and let the amplifier cool. Make sure the amplifier is properly ventilated. Then turn your auto sound system back on. The amplifier turns on when it cools off enough. Or, the amplifier might have detected an input over
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12-2014.fm Page 18 Tuesday, May 9, 2000 8:51 AM Care To enjoy your amplifier for a long time: until they spring apart. Then remove the fuse. • Keep the amplifier dry. If it gets wet, wipe it dry immediately. • Use and store the amplifier only in nor- mal temperature environments. Fuse • Handle the amplifier gently and care- fully. Do not drop it. 3. If the fuse is blown, replace it. Use only • Keep the amplifier away from dust and an SFE-type fuse with the proper rating. dirt. The fuse must
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12-2014.fm Page 19 Tuesday, May 9, 2000 8:51 AM Specifications Output Power @ 14.4 VDC 1kHz ..................................... 35 Watts · 2 @ 4 Ohms, 20–20 kHz, 0.5% THD 55 Watts · 2 @ 4 Ohms, 20–20 kHz, 10% THD 40 Watts · 2 @ 2 Ohms, 20–20 kHz, 1% THD Frequency Response ................................................................................................ 20–20,000 Hz (– 3 dB) Power Supply Voltage ................................................................................
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12-2014.fm Page 20 Tuesday, May 9, 2000 8:51 AM 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 company-owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, Ra- dioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LI
