Precision Power MAA4.400 – 600W Mini 4-Channel Class D Amplifier for Harley-Davidson
Big Power. Small Footprint. Built for the Ride.
The Precision Power MAA4.400 is one of the most popular compact motorcycle amplifiers on the market – and for good reason. Engineered specifically for tight fairings and harsh riding conditions, this ATOM MINI Class D amplifier delivers 100W x 4 @ 4Ω and 150W x 4 @ 2Ω of clean RMS power, making it perfect for Harley-Davidson Touring models from 1998–2023.
Whether you're powering front fairing speakers, rear bags, or a full four-speaker setup, the MAA4.400 gives you the headroom and clarity you need to hear your music at highway speeds – without taking up your whole fairing.
Why Riders Choose the MAA4.400
High-Efficiency Class D Power
Designed using advanced Korean Class-D technology, the MAA4.400 delivers serious output while keeping heat under control. Built to run hard, all day, even on big touring bikes in hot conditions.
- 100W x 4 RMS @ 4Ω (14.4V, 1kHz, ≤1% THD+N)
- 150W x 4 RMS @ 2Ω (14.4V, 1kHz, ≤1% THD+N)
- Stable at 2Ω stereo and 4Ω bridged
- Extremely low distortion for clean, accurate sound
Ultra-Compact Motorcycle-Ready Design
At just 9.25” x 5.375” x 1.875”, this amp slides into tight spaces that bigger units simply can’t fit.
- Fits Road Glide and Street Glide fairings
- Perfect for saddlebags, side panels, or under-seat installs
- Vibration-resistant construction for long-term durability
Smart Installation Features
The MAA4.400 is designed to make installation easier on modern Harleys with limited space.
- Quick-disconnect harnesses for power and speakers
- All tuning controls on one side for easy access
- Low-level RCA inputs with included harness
- Signal sensing turn-on for bikes without dedicated remote wires
- Low-level RCA output for daisy-chaining additional amplifiers
Flexible Crossover and Tuning Options
No matter what speakers you run, the MAA4.400 gives you the tuning flexibility to get the most out of them.
- 12dB/octave high-pass crossovers
- 12dB/octave low-pass & band-pass options
- Ideal for staging front fairing speakers
- Great for powering bag lids or mids
Perfect for Harley-Davidson Touring Models
The compact footprint and stable Class D power make this amplifier an excellent match for:
- Street Glide (1998–2023)
- Road Glide (1998–2023)
- Ultra / Ultra Limited
- Electra Glide
- Tri Glide
- CVO models (when rewired for aftermarket audio)
Whether you're running Hertz, Soundstream, HogTunes, Velocity, Cicada, or custom Stage 3–5 audio kits, the MAA4.400 slots in easily and keeps your system loud and clean.
Specifications
| RMS Power @ 4Ω | 100W x 4 |
| RMS Power @ 2Ω | 150W x 4 |
| Topology | Class D |
| Inputs | Low-level RCA (200mV–6V) |
| Turn-On | Signal sensing (hi/speaker level) |
| Dimensions | 9.25" L × 5.375" W × 1.875" H |
| Country of Origin | South Korea |
Upgrade Your Harley’s Sound
If your Harley audio system needs more punch, more clarity and more reliability, the Precision Power MAA4.400 is an outstanding choice. It offers the perfect balance of compact size, clean output and long-term durability.
Order your MAA4.400 today from Motorcycle Audio Australia and give your bike the power it deserves.
Shipping
Australia Shipping:
- Under $500 → $19.95
- $500–$2,500 → $14.95
- Over $2,500 → FREE
- Bulky items → +$24.95 surcharge (waived over $2,500)
Fast dispatch from Brisbane. Same-day shipping on in-stock orders before 1pm AEST.
Return policy
Change-of-mind returns: We accept returns within 7 days of delivery on unused, unopened products in original sealed packaging. Restocking fees apply (20–30%). Return shipping is the customer’s responsibility.
No returns on opened audio gear, installed items, custom orders, or special-order products. Please check fitment carefully before installing.
Faulty or incorrect items: If you experience an issue, contact us with photos/video and your order number. We’ll assess the claim and arrange repair, replacement, or refund for verified faults under the Australian Consumer Law.
Fitment assistance: If you’re unsure about compatibility, reach out before ordering—we’re happy to help.