Audison Forza AF M4D

Audison Forza AF M4D - 4-Channel Class-D Amplifier with Hi-Res and 83% Efficiency

The Forza AF M4D is a 4-channel amplifier that offers you high efficiency, clean power, and flexible connectivity options in a compact housing. The current Audison D-Class (ADT) increases efficiency and control, while the extended frequency range up to 40 kHz supports Hi-Res setups. All channels are bridgeable, so you can use the amplifier for front/rear, active setups, or bridged for more power, depending on your system configuration.

Technical Highlights

• Class-D (Audison ADT) for 83% efficiency and high power density
• Hi-Res capable with extended frequency response up to 40 kHz
• Bridgeable in pairs (1/2 and 3/4) for maximum flexibility
• High- and low-level inputs for OEM and aftermarket radios

Performance & Measurements

• Channels: 4
• Total power RMS: 1040 W
• Output power (RMS) @ 14.4 V, 1% THD:
  • 4 × 160 W at 4 Ω
  • 4 × 260 W at 2 Ω
  • 2 × 520 W bridged at 4 Ω
• Minimum impedance: 4 channels at 2 Ω; bridged at 4 Ω
• THD @ 100 Hz, 4 Ω, 70% rated power: 0.05%
• Frequency response (–3 dB, 2 Vrms, 4 Ω): 10 Hz – 42 kHz
• Signal-to-noise ratio (A-weighted @ 1 V): 103 dBA
• Adjustable crossover: No

CEA Specifications

• Output power @ 4 Ω, 1% THD+N, 14.4 V: 150 W × 4
• S/N (ref. 1 W output): 80 dB

Connections & Control

• Input type: Pre-In / Speaker-In
• Input sensitivity Pre-In: 0.6 – 6 Vrms
• Input sensitivity Speaker-In: 2.2 – 22 Vrms
• Digital input: No
• Remote IN: 4 – 15 VDC (1 mA)
• Remote OUT: 6.5 – 15 VDC (150 mA)
• ART Auto Turn-On via BTL speaker output (selectable): 1.5 VDC
• Remote subwoofer volume: ±12 dB

Power Supply

• Supply voltage: 11 – 15 VDC
• Operating voltage range: 6.5 – 17.5 VDC
• Idle current: 1.12 A
• Idle current in off state: 0.007 mA
• Current consumption @ 14.4 VDC, 2 Ω, max musical power: 47 A
• Fuse: 2 × 30 A

Dimensions & Weight

• Length (A): 240 mm
• Width (B): 156 mm
• Height (C): 47 mm
• Weight: 2.04 kg

Installation & Compatibility

• Compact design facilitates installation in many vehicles
• High-level inputs with auto-turn-on make connection to factory radios easy
• 2 Ω stable in 4-channel operation; bridged at 4 Ω for high power per side
• Hi-Res setup possible due to extended frequency range up to 40 kHz

Why This Amplifier

If you're looking for efficiency, clean power, and flexible system planning, the Audison Forza AF M4D delivers exactly that: powerful 4-channel output, Hi-Res capability, and practical OEM integration – all in a housing that requires little space. If needed, you can bridge the channels and get significantly more power per side for powerful front systems or sub solutions.