Page 2 - Contents
2 ˆ Contents Features .................................................................................................................................. 3 Preparation ............................................................................................................................. 4 Suppl...
Page 3 - Features; Its features include:
3 Features ˆ Features Your RadioShack High Power 4/3/2-Chan-nel Bridgeable Amplifier produces a total of260 watts to give added punch and power toyour vehicle’s existing auto sound system. The amplifier produces up to 130 watts perchannel (if bridged) of clean, powerful soundat all audio frequencies...
Page 4 - Preparation; SUPPLIED HARDWARE; Choosing a Mounting Location
4 Preparation ˆ Preparation SUPPLIED HARDWARE Your amplifier comes with the following items. Be sure you locate everything shown before youstore or dispose of the packing materials. BEFORE YOU BEGIN THE INSTALLATION Before you install your amplifier, read all theinstructions in this owner’s manual. ...
Page 5 - Preparing the Mounting Area; INSTALLATION ORDER
5 Preparation Warning: The amplifier gets very hot while itis on. Do not touch the amplifier or placeflammable objects near it. Preparing the Mounting Area Before you mount the amplifier, make sureyou have these materials. • an adapter harness • additional wire • shielded audio cables • 16- or 18-ga...
Page 6 - • For added safety and to protect your
6 Preparation Cautions: • For added safety and to protect your amplifier and auto sound system, dis-connect the cable from your vehicle’snegative ( – ) battery terminal before you begin. • Be sure your speakers can handle as much as 260 watts of power (130 wattsper channel if you connect your autoso...
Page 7 - CONNECTING GROUND AND SWITCHED/PRIMARY POWER
7 Preparation CONNECTING GROUND AND SWITCHED/PRIMARY POWER Follow these steps to connect the amplifier toground, switched power, and primary power. 1. If you have not done so already, discon- nect the cable from your vehicle’s nega-tive (–) battery terminal. 2. Use a screwdriver to connect the spade...
Page 8 - Use a screwdriver to connect the spade; Caution: Due to the amplifier’s high cur-; Connecting Inputs; Temporarily place the amplifier as close
8 Connecting Inputs 6. Use a screwdriver to connect the spade end of the supplied red power cable(with in-line fuse holder) to the ampli-fier’s + 12V terminal. 7. Connect the other end of the red power cable to your vehicle’s positive (+) bat-tery terminal as shown. Then tighten theterminal. Caution...
Page 9 - • If your auto sound system has four
9 Connecting Inputs If your auto sound system has two line out jacks (left and right), connect the auto sound systemto the amplifier. Note: For the best results, use shielded audio Y-adapters (not supplied) available at your localRadioShack store. HIGH-LEVEL (SPEAKER WIRE) INPUTS If your auto sound ...
Page 10 - Four Speaker Outputs; Floating Ground Connection
10 Connecting Inputs Four Speaker Outputs Floating Ground Connection Common Ground Connection Gray/Black White/Black Gr ay Wh it e R ight Rea r + Speake r L e ft Rear + Speake r Violet/Black Green/Black Vi ol et Gr een Lef t Re ar – S p e aker R ight Rear – Speake r Righ t Fr ont + S p e aker L e ft...
Page 11 - Two Speaker Outputs
11 Connecting Inputs Two Speaker Outputs Floating Ground Connection Common Ground Connection Ri ght + Speak er Le ft + S p eake r Violet/Black Green/Black Violet Green Left – Spe aker Ri ght – Speak er Auto Sound System Gr ay Gr ay/ Bl a c k Whit e/ Bla c k Whit e Rig h t + Spea ker Left + Speak er ...
Page 12 - CONNECTING SPEAKERS; Preparing the Speaker Wires
12 Connecting Inputs CONNECTING SPEAKERS You can connect four speakers, two speak-ers and a subwoofer, or just two speakers tothe 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) areset to...
Page 13 - Connecting Four Speakers
13 Connecting Inputs Connecting Four Speakers 1. Use a screwdriver to connect the front left speaker’s positive (+) wire to theamplifier’s CH1 (+) terminal. 2. Use a screwdriver to connect the front left speaker’s negative (–) wire to theamplifier’s CH1 (–) terminal. 3. Repeat Steps 1–2 to connect t...
Page 14 - Connecting Two Speakers (Bridged Connection); Connecting Two Speakers and One Subwoofer (Unbridged Connection)
14 Connecting Inputs Connecting Two Speakers (Bridged Connection) Caution: This connection produces 130watts per channel. Use this connection only ifyou have high-power speakers that can han-dle a power output of 130 watts. Note: CH2 (+) and CH4 (+) are used as nega- tive (–) terminals for a bridged...
Page 15 - Connecting Two Unbridged Speakers and One Bridged Subwoofer; and
15 Connecting Inputs 3. Repeat Steps 1–2 to connect the front right speaker’s positive (+) and negative(–) wires to the amplifier’s CH2 (+) and CH2 (–) terminals. 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 ...
Page 16 - Completing the Installation; Set; MOUNTING THE AMPLIFIER; Disconnect the cable from the vehicle’s
16 Completing the Installation ˆ Completing the Installation TESTING THE CONNECTIONS Before you continue, make sure you havesecurely 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 i...
Page 17 - Secure the amplifier to the mounting
17 Completing the Installation 5. Secure the amplifier to the mounting surface using the supplied sheet metalscrews 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...
Page 18 - Operation; For the best performance, you must set; Caution: Never turn up the auto sound
18 Operation ˆ Operation TURNING ON THE AMPLIFIER The amplifier automatically turns on a fewseconds after you turn your vehicle’s ignitionswitch to ACC or ON or turn on your autosound system, depending on how you wiredthe system. The POWER indicator on the side of the amplifier lights when the ampli...
Page 19 - to; for your particular vehicle’s
19 Operation ADJUSTING FREQUENCY CROSSOVER If you installed a subwoofer using the stepsin “Connecting Two Speakers and One Sub-woofer (Unbridged Connection)” on Page 14or “Connecting Two Unbridged Speakersand One Bridged Subwoofer” on Page 15,set X-OVER FREQ ON/OFF to ON , then adjust X-OVER FREQ fo...
Page 20 - Troubleshooting
20 Troubleshooting ˆ Troubleshooting We do not expect you to have any problems with your RadioShack High Power 4/3/2-ChannelBridgeable 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 Sug...
Page 22 - CARE; Replacing the SFE-Type Fuse
22 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 23 - Specifications
23 Specifications ˆ Specifications Output Power: Stereo ....................................................................... 45 Watts × 4 @ 4 Ohms, 20–20 kHz, 0.5% THD 65 Watts × 4 @ 4 Ohms, 20–20 kHz, 10% THD 60 Watts × 4 @ 2 Ohms, 20–20 kHz, 1% THD Bridged .........................................
Page 24 - Limited One-Year Warranty; We Service What We Sell
12-2017 05A00 Printed in China RadioShackA Division of Tandy CorporationFort 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 com...
