Plan Your Build with SMS Car Audio
Get the right product for your vehicle, audio goals, and installation needs before purchase.
Call (504) 289-8127Text SMS Car AudioEmail al@smscaraudio.comGet DirectionsLocal fitment support, special-order assistance, and professional installation from SMS Car Audio in Marrero, LA.
Description
ARC Audio X2 1200.6 6-Channel Amplifier
The ARC Audio X2 1200.6 is a 6-channel Class-D amplifier designed for flexible multi-channel systems, active speaker layouts, and speaker/subwoofer combinations where extra channel control is needed.
At SMS Car Audio, the X2 1200.6 is a strong option for active front stages, 3-way planning, front/rear speaker systems, or compact full-system builds that need more channel flexibility than a standard 4-channel or 5-channel amp.
Key Features
- 6-channel Class-D amplifier design.
- Flexible channel layout for speaker systems, bridged power, or subwoofer use on channels 5/6.
- High-frequency power supply design for improved signal transparency and sound quality.
- Fully balanced input stage for flexible installation options.
- RCA inputs compatible with speaker-level inputs.
- Quick-disconnect terminal connections.
- Level 2 X2 cosmetic design with extruded aluminum CNC chassis.
Power Configuration
- Channels 1-4: 150 watts x 4 at 4 ohms.
- Channels 1-4: 150 watts x 4 at 2 ohms.
- Channels 1-4 bridged: 300 watts x 2 at 4 ohms.
- Channels 5/6: 150 watts x 2 at 4 ohms.
- Channels 5/6: 300 watts x 2 at 2 ohms.
- Channels 5/6 bridged: 600 watts x 1 at 4 ohms.
Additional Specifications
- Frequency response: 20Hz - 20kHz.
- Crossover range: 50Hz - 550Hz, with x10 range available for higher crossover points.
- Bandpass capable on channels 1/2 and 5/6.
- Bass boost: variable 0-12dB at 45Hz on channels 5/6.
- Remote level control included.
- Input sensitivity: 200mV - 3.5V.
- Fuse rating: 3 x 30A.
- Dimensions: 13.0 in. L x 6.268 in. W x 2.162 in. H.
SMS System Planning Notes
The X2 1200.6 should be matched to the vehicle, speaker layout, subwoofer choice, wiring plan, and tuning goals. Final quotes may include installation labor, power wiring, signal integration, accessories, enclosure work, and vehicle-specific parts.

