Fusion SG-DA66 6-Channel Marine Zone Amplifier (010-02284-65)
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Fusion SG-DA66 6-Channel Marine Zone Amplifier — Multi-Zone Audio for Larger Vessels
The Fusion SG-DA66 is a high-output 6-channel marine amplifier built to power multiple independent audio zones across your boat. Delivering 150 W RMS per channel at 4 Ω (900 W total RMS), it gives you the headroom to run cockpit, cabin, and flybridge speakers simultaneously — all from a single amp.
Like every amplifier in the Fusion SG-DA series, the SG-DA66 is built for the marine environment from the ground up: conformal-coated circuit board, ignition-protected design, and resistance to salt fog, UV, vibration, and temperature extremes. It's NMMA-certified for installation near fuel systems.
Easy Tune — Automatic Audio Optimization
Fusion's Easy Tune technology reads your connected speakers and automatically configures the amplifier's audio settings for the best possible sound. Initial setup is done once through the Fusion-Link™ app on a compatible smartphone — no manual EQ adjustments needed after that.
Key Features
- 6-channel output — 150 W RMS per channel (4 Ω), 900 W total RMS
- 2 Ω stable — connect up to two speakers per channel for flexible zone layouts
- Easy Tune automatic audio optimization (via Fusion-Link™ app)
- LED diagnostic indicators for fast electrical troubleshooting
- Ignition-protected (NMMA certified)
- Conformal-coated PCB — salt fog, UV, vibration, and temperature resistant
- Compatible with 12 V DC electrical systems
- Mounting brackets, connectors, and hardware included
In the Box
- 1 × SG-DA66 6-channel zone amplifier
- Mounting brackets and hardware
- Wiring connectors
Compatible Applications
- Vessels requiring 3+ independent audio zones (cockpit, cabin, flybridge, aft deck)
- Boats with Fusion head units and DSP-enabled source components
- Installations needing ignition-protected amplification near fuel sources
- 12 V marine electrical systems
- Multi-speaker configurations running pairs wired in parallel (2 Ω per channel)
Specifications
- Part Number: 010-02284-65
- SKU: 830-0100228465
- Channels: 6
- RMS Power: 150 W per channel (4 Ω) | 900 W total
- Impedance: 2 Ω stable
- System Voltage: 12 V DC
- Weight: 2.7 kg (5.95 lb)
Related Products
- Fusion SG-DA61 1-Channel Marine Zone Amplifier (010-02284-15) — single-zone solution
- Fusion SG-DA64 4-Channel Marine Amplifier (010-02284-45) — mid-range multi-zone option
- Fusion Apollo 8-Channel Marine Amplifier (010-02284-85) — flagship multi-zone solution
Parts Desk Insights
Best use case: The SG-DA66 is the go-to choice for mid-to-large vessels where the owner wants three or more distinct audio zones powered cleanly from a single amp. It's especially popular on cruisers and pontoons where you need cockpit, cabin, and aft-deck zones running simultaneously. Customers stepping up from a 4-channel amp typically choose this model when they're adding a third zone or upgrading to a full-boat audio system.
Common questions: Customers often ask whether they need a DSP or head unit to use Easy Tune — you do need a Fusion-Link™-compatible source unit and the Fusion-Link app to run the initial Easy Tune calibration, but once set, the amp operates independently. A common wiring question: at 2 Ω stability, you can wire two 4 Ω speakers in parallel per channel. Customers also ask about stacking two amps — the SG-DA66 and SG-DA61 together cover 7 zones, which works well on larger vessels.
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.