Fusion Apollo MS-AP61800 6-Channel Marine Class D Amplifier, 1800W

Fusion Apollo MS-AP61800 – 6-channel marine Class D amplifier, 1800 W RMS

Fusion Apollo MS-AP61800 is a premium Class D 6-channel amplifier designed specifically for marine environments. Offering up to 1800 W RMS total power, it provides excellent audio signal amplification in speaker and subwoofer systems, both in stereo and multi-zone configurations. It belongs to the Fusion Apollo series, ensuring top performance, low power consumption, and full integration with the Fusion DSP digital platform.

Key features:

Amplifier type: Class D

Number of channels: 6

RMS power (continuous):

6 × 150 W RMS at 4 Ohm

6 × 300 W RMS at 2 Ohm

3 × 600 W RMS in bridged mode (4 Ohm)

Total power (RMS): 1800 W

Frequency response: 20 Hz – 20 kHz

Total harmonic distortion (THD): <1%

Signal-to-noise ratio (SNR): >95 dB

Output impedance: 2 – 4 Ohm

Compatibility and control:

Fully compatible with Fusion DSP (Digital Signal Processing) system

Configurable from Apollo devices (e.g., MS-RA770, RA210)

Compatible with Fusion Apollo, Signature, and XS Series speakers and subwoofers

Integration with Fusion-Link, MFD (Simrad, B&G, Lowrance), and multi-zone control

Construction and environmental resistance:

Housing: anodized corrosion-resistant aluminum

PCB: epoxy-coated for protection against moisture and salt fog

Environmental standards:

ASTM B117 – salt fog resistance

ASTM D4329 – UV resistance

True-Marine™ certification: guarantees long-term reliability in marine environments

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

Power and protections:

Supply voltage: 10.8 – 16 V DC

Maximum current draw: up to 100 A

Recommended fuse: 2 × 50 A (external fuses, not included)

Protections:

Short circuit

Overload

Overheating

Low supply voltage

Connectors and functions:

Signal inputs: 3 × RCA (Low-Level)

Speaker outputs: 6 channels / bridging capability

REM control (remote turn-on): yes

Adjustments:

HPF / LPF

Bass Boost

Gain (input sensitivity)

Cooling system: passive – large heatsink with airflow channel

Dimensions and mounting:

Length: 360 mm

Width: 210 mm

Height: 60 mm

Weight: approx. 3.8 kg

Mounting: horizontal (recommended internal mounting in ventilated space)

Applications:

Professional and recreational marine installations

Multi-zone and multi-channel systems (cabin, cockpit, flybridge)

Units equipped with Fusion Signature, Apollo, XS speakers

Integration with DSP and control from Fusion Apollo head units

Package contents:

1 × Fusion Apollo MS-AP61800 amplifier

Mounting kit

Installation manual and wiring diagram

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

Fusion Apollo MS-AP61800 is a top-class audio amplifier for marine applications. With six high-power channels, DSP compatibility, and full environmental resistance, it offers unmatched flexibility in designing premium audio systems on the water – regardless of vessel type.