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ZERO COMPROMISES ON QUALITY
Premium, functional, durable. We build products that last and we'd run ourselves.
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LEAD TIMES May VARY BY PRODUCT
Many items ship same-day fast. Some custom fabricated products are built to order and may take more time and attention.
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Additional Customization
Your logo can be added to most TOPO fabricated products. Send a DXF file to 806-203-5093 with your order number and we can add the design to your order. All files must be DXF format or a design fee will be applied to your order.
Four channels for front and rear speakers. The Signature Series 800W 4-Channel puts 200W RMS per channel at 2 ohms into a compact, sealed chassis. UTV Stereo calls the Signature Series the amps that started it all: the first powersports amps to pair big sound with a sealed chassis.
Key Features
- IRS full-range Class D technology
- Top-panel tuning access, adjust levels and crossovers without pulling the amp
- CNC-machined housing with weather-sealed connections
- Conformal coated PCB
- Four-layer PCB and surface mount components
- LED indicators for power, protection and clipping
- Short circuit, thermal and high/low voltage protection
- Verified for Audio Precision quality control
- Ultra-compact footprint for tight installs
Specs
- RMS power at 2 ohms: 200W x 4 channels
- RMS power at 4 ohms: 125W x 4 channels
- RMS power at 4 ohms bridged: 400W x 2 channels
- Crossover range: 40-400Hz
- Frequency range: 20Hz-20kHz
- IP65 rated, dustproof and water resistant
- Dimensions: 11.4 x 4.3 x 1.74 in
- UTV Stereo part number: UTVS-125.4D
RIDE COMMAND Compatibility
Not compatible with Polaris RIDE COMMAND. For RIDE COMMAND machines, see the UTV Stereo Elite Series amplifiers.
Before You Order
- Amplifier only. Power wiring, fusing and signal harnesses are not listed as included. Confirm the wiring for your machine before ordering.
- TOPO Motorsports is an authorized UTV Stereo dealer. Questions on matching an amp and speakers to your machine? Call 806-350-6804.
AMERICAN MADE. TOPO BUILT.
We love our work and we do it with integrity whether its repairs, fabrication, powder coating or online support.
SHIPPED WITH CARE
We prep every order like it’s our own — and move it out as quickly (and carefully) as we can.
FRIENDLY SERVICE
Have a question? You’ll talk to someone who works in the same shop that built the product. We're open Monday-Friday 8am-5pm.




