Garmin Fusion Apollo Marine Monoblock Amplifier (650 W RMS) (010-02284-15)

Fusion Apollo MS-DA122 – Marine Class D Monoblock Amplifier, 650 W RMS

Fusion Apollo MS-DA122 is a marine Class D monoblock audio amplifier delivering up to 650 W RMS. It is specifically designed to power subwoofers in onboard sound systems, providing efficient, controlled, and deep bass performance while maintaining high energy efficiency. It belongs to the Fusion Apollo series, premium audio components engineered for long-term operation in demanding marine environments.

Key features:

Amplifier type: monoblock (1-channel)

Class of operation: D

RMS power (continuous):

1 × 400 W RMS at 4 Ohm

1 × 650 W RMS at 2 Ohm

THD distortion: <1%

Frequency range: 20 Hz – 250 Hz

Low-pass filter (LPF): adjustable 40 Hz – 250 Hz

Subsonic Filter: yes (24 dB/oct., 20 Hz – 50 Hz)

Bass Boost: level adjustment up to +12 dB (45 Hz)

Inputs: RCA (low level)

Environmental resistance and certification:

True-Marine™ certification: resistant to salt fog, UV, moisture, and vibration

Enclosure: anodized aluminum, corrosion-resistant

PCB board: coated with a protective layer against moisture

Protection rating: IPX2 (for installation in dry, ventilated locations)

Environmental standards:

ASTM B117 (salt fog)

ASTM D4329 (UV radiation)

Power supply and protections:

Power supply: 10.8 – 16 V DC

Protections:

Short circuit

Overload

Thermal

Recommended fuse: 50 A (external, not included)

Current consumption: depends on configuration and load (up to approx. 45 A)

Dimensions and mounting:

Length: 250 mm

Width: 210 mm

Height: 60 mm

Weight: approx. 2.2 kg

Mounting: horizontal, in enclosed space (under deck)

Cooling: passive (heatsink with airflow channel)

Applications:

Powering Fusion Apollo or Signature Series subwoofers

Audio configurations requiring an independent bass channel

Single- or multi-zone installations with crossover

Fusion Apollo DSP systems (compatible with MS-WB675, MS-RA770, MS-RA210)

Package contents:

1 × Fusion Apollo MS-DA122 amplifier

Mounting kit

Installation manual and wiring diagram

Manufacturer's warranty: 3 years (True-Marine™ program)

Fusion Apollo MS-DA122 is a fully optimized bass amplifier for the marine environment – compact, powerful, and reliable. It is ideal for any vessel where low-frequency quality and durability in harsh water conditions matter.