Boss Audio Systems MPD3804 Elite Series Class D Amplifier - 4 Ch., 380W, 2 Ohm
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You have 30 days to request a return. All sale items are final sale.
Overview
Upgrade your boat or marine audio system with the Boss Audio Systems MPD3804 Elite Series Class D Amplifier—built for full-range, marine-ready performance with IP66 weather/dust protection and convenient controls for day-to-day listening.
Key Features
- Full Range Class D 4-channel amplifier
- 380W max power (as listed on the manufacturer product page)
- 2 ohm stable amplifier design (as listed on the manufacturer product page)
- High-pass and low-pass filters for crossover tuning
- Bass boost for adding punch to your setup
- RCA level inputs
- Bridgeable for flexible channel configurations
- PWM MOSFET power supply
- Remote subwoofer control
- LED illuminated end panels for visibility in low-light installs
- IP66-rated (dustproof/weatherproof) marine protection
- Thermal, short, and overload protection circuits
Intended Use
- Marine audio systems (boats/RV/marine-style installs) using a 4-channel amplifier stage
- Systems that benefit from high-pass/low-pass crossover control
- Setups using RCA line-level audio sources
- Installations wanting remote subwoofer bass control
Product Details
- Product title (preserved): Boss Audio Systems MPD3804 Elite Series Class D Amplifier - 4 Ch., 380W, 2 Ohm
- SKU/variant: 153-MPD3804
- Power: 380 Watts max (as listed on the manufacturer product page)
- Channels: 4
- Amplifier topology: Full Range Class D (as listed on the manufacturer product page)
- Speaker impedance: 2 to 8 ohm (as listed on the manufacturer product page)
- Marine protection: IP66-rated (dustproof/weatherproof) (as listed on the manufacturer product page)
- Crossover/filtering: High Pass and Low Pass Filters (as listed on the manufacturer product page)
- Inputs: RCA level inputs (as listed on the manufacturer product page)
- Controls/features: Bass Boost, Remote Subwoofer Control (as listed on the product page and retailer spec summary)
- Construction/connection features: PWM MOSFET power supply and LED illuminated end panels (as listed on the manufacturer product page)
- Protection: Thermal, Short and Overload Protection Circuits (as listed on the manufacturer product page)
Parts Desk Insights
Best Use Case: A strong choice for upgrading a marine stereo to a dedicated 4-channel Class D amp while keeping marine-minded protection (IP66) and crossover/bass control for better integration with speakers and a subwoofer.
Common Issues: Typical install problems for marine amps include improper grounding/water management around wiring, mismatched speaker impedance relative to the amp’s output capability, and crossover mis-tuning (especially if you’re using the high/low-pass filters). If audio drops out or protection triggers, re-check wiring for shorts and ensure power/ground connections are solid and secured.
Related Products & Accessories
- Browse Speakers & Audio - Pair this amplifier with marine speakers/subwoofer components from the Speakers & Audio collection.
Research Sources
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.