Brand new in box

Jbl Ms-a1004 4 Channel Amplifier 4x100rms Digital Sound Processor

JBL's Tiny amps

JBL's stylish MS Series "Tiny" amps measure only 7" by 8" so you can tuck one into virtually any hiding place that has adequate ventilation. Or you can mount one in a prominent spot to show off the bright digital display with its tone and gain settings. These unique amps come with a setup CD and include built-in indicators that help you set the input level perfectly. They also feature preamp and speaker-level inputs so you can hook them up to almost any system.

MS-A1004 display

Digital signal processing

The MS-A1004 sends 100 watts RMS to each of your front and rear speakers for clear, powerful reproduction of your music. You can also switch the MS-A1004 into 2-channel mode to drive a couple of subs with 200 watts RMS each, and you can run the amp safely with 2-ohm subs in bridged mode. Digital processing gives you a wide selection of crossover points and a choice of three filter slopes to get just the right tone from your system.

Sophisticated circuitry

An optional remote bass controller does much more than just turn this amp up and down. This wireless controller works with multiple MS Series amps at the same time, coordinating the low frequencies of all the amps to blend smoothly so you don't get a bunch of mud when you boost the bass. A signal-sensing turn-on circuit eliminates the need for a separate lead from your receiver, and a special input mode allows this amp to work even when there's a factory amplifier in your car's system.

MS-A1004 inputsMS-A1004 power and speaker connections

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Product highlights:

4-channel car amplifier

100 watts RMS x 4 (2 to 4 ohms)

200 watts RMS x 2 (2 to 4 ohms)

CEA-2006 compliant

selectable high- and low-pass filters (20-20K Hz; 6, 12, or 24 dB/octave)

optional wireless remote bass controller (automatically pairs with multiple JBL MS Series amps)

Class-D amplifier design

digital signal processing — settings stored in non-volatile memory, no settings lost if power is disconnected

input mixer distributes signal without need for Y-cables

speaker-level inputs (RCA adapters included)

"Hi2" input setting provides factory system amps with output loads, eliminating "speaker disconnected" error messages

CD for system setup included

preamp inputs and outputs

output level controls

fuse rating: 30A x 2

8-gauge power and ground leads and an 60-amp fuse recommended — wiring and hardware not included with amplifier

7-1/4"W x 2-13/16"H x 8-13/16"D

warranty: 1 year

60-day returns

MFR # MS-A1004

What's in the box:

JBL MS-A1004 owner's manual

4-Channel amplifier

Two 30-amp ATO fuses (installed)

4 Speaker wire to RCA adapters

4mm Allen wrench

2.5mm Allen wrench

Setup CD

Owner's manual