Velocity RZA1000.4 — 1000W 4-Channel Motorcycle Amplifier for Harley-Davidson Audio Systems
Complete system amplification in one compact package — 4-channel flexibility with genuine power for full-system builds without multiple amps.
The Velocity RZA1000.4 is a high-output 4-channel amplifier purpose-built for Harley-Davidson motorcycle audio systems. With 1000 watts peak output (500W RMS) and flexible channel configuration, the RZA1000.4 enables complete front-and-rear amplification or dedicated subwoofer bridging — all in a compact, weather-resistant chassis.
Key Features
- 1000W peak / 500W RMS output: Genuine power for full-system amplification.
- 4-channel bridgeable design: Run 4-channel stereo or bridge channels for subwoofer duty.
- Compact footprint: Fits saddlebag or fairing installations.
- Weather-resistant construction: Built for Australian touring conditions.
- High-level inputs: Simple connection to factory or aftermarket head units.
- Independent channel controls: Optimise each speaker stage independently.
- Thermal protection: Safe operation under sustained load.
Fitment
Universal application for Harley-Davidson Touring models.
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.