DD Audio D4.75

The DD Audio D4.75 is a mini chassis amplifier designed to make space constrained installations a breeze. Don’t be fooled by its small stature – in 4 ohm bridged mode this little powerhouse can produce over 2 x 180 watts. All controls and connections are positioned on one side for ease of installation in motorcycle fairings, dashes, under seats, behind seats or in consoles.

Key Features

Mini Chassis: Only 160 x 100 x 45 mm, fits motorcycle fairings, dashes and consoles
Flexible Power: 4 x 75W at 4 ohm, 4 x 90W at 2 ohm or 2 x 180W bridged at 4 ohm
Variable 12dB/Oct Crossovers: High pass and low pass adjustable from 50 Hz to 5 kHz
5-Way Protection: Protects the amplifier and speakers in demanding installs
Single-Side Layout: All controls and connections on one side for easy installation
RCA Signal Pass-Through: Chain additional amplifiers without extra cabling
MOSFET Power Supply: Heavy duty PCB with MOSFET power supply

Technical Specifications

Output Channels: 4
Continuous Power @ 4 Ohm: 75W x 4
Continuous Power @ 2 Ohm: 90W x 4
Bridged Power @ 4 Ohm: 180W x 2
Frequency Response: 10 Hz – 27 kHz
Test Voltage: 14.4V DC
Max Current Draw: 40A
RCA Input Sensitivity: 0.2 – 6V
Signal to Noise Ratio: >90 dB
Damping Factor: >100
THD: <0.2%
High-Pass Filter: 50 Hz – 5 kHz
Low-Pass Filter: 50 Hz – 5 kHz
Power Wire Gauge: 2 x 18 AWG
Speaker Wire Gauge: 18 AWG
Dimensions: 160 x 100 x 45 mm (6.2″ x 3.9″ x 1.7″)
Weight: 1.4 kg (3 lbs)

The DD Audio D4.75 proves that full-size performance can come from a mini footprint – ideal for motorcycles, powersports and compact car installs.

2 x 18 AWG

DD Audio D4.75