SounDigital EVO PS 800.4 – Compact 4-Channel Class-D Motorcycle Amplifier (800W RMS / 200W x4 @ 2Ω)
| Channels | 4 Channel |
| Power | 4x200W RMS |
| Year Range | 1998-2013, 2014-2023, 2024+, Trike 2009-2013, Trike 2014-2025, Trike 2026+ |
SounDigital EVO PS 800.4 – 4-Channel 800W Compact Amplifier for Motorcycle Audio Systems
The SounDigital EVO PS 800.4 is a compact, high-efficiency 4-channel amplifier engineered for motorcycle audio systems where space is limited but clean, punchy output is essential. Delivering up to 4 × 200 W RMS @ 2 Ω or 2 × 400 W RMS bridged @ 4 Ω, this amp is ideal for powering front and rear stages, pro-audio coaxials, or mid-bass drivers in Harley Touring builds.
Who This Is For
- Harley Touring riders – Street Glide, Road Glide, Ultra Limited, CVO and custom baggers – running front and rear stages from one amplifier.
- Fairing and amp-tray installs where space is limited, at 14.4 × 13 × 5.6 cm.
- Riders using high-efficiency pro-audio speakers and coaxials, or a bridged pair of mid-bass drivers at 2 × 400 W RMS.
- Systems built on either an OEM or an aftermarket head unit, using the high-level and low-level inputs.
- Plan the power wiring around the listed 35 A musical current draw and 40 A recommended fuse; gain control is locked once set.
Key Features
- 4 × 200 W RMS @ 2 Ω – strong output for efficient speakers and full-stage systems.
- 4 × 132 W RMS @ 4 Ω or 2 × 400 W RMS bridged for flexible system design.
- Compact Class-D topology designed for motorcycle charging systems.
- High-level & low-level inputs for easy OEM or aftermarket integration.
- Thermal, overload & short-circuit protection for long-term durability.
- Locked gain control to protect system tuning.
- 8–16 V operating range suitable for Harley electrical systems.
Why It Works on Harleys
- Compact footprint ideal for Street Glide and Road Glide fairings.
- Excellent match for high-efficiency pro-audio speakers and coaxials.
- Clean mid-bass response with strong headroom at highway speed.
- Low heat operation in Australian riding temperatures.
- Flexible wiring – run 4-channel, front + rear, or bridged mid-bass setups.
Recommended System Use
- Front + Rear Stages: Drive 6.5″ or 6×9″ speakers across all four channels.
- Pro-Audio Front Stage: Powers high-efficiency SPL drivers.
- Bridged Mid-Bass Setup: 2 × 400 W RMS for dedicated mid-bass drivers.
- Hybrid Builds: Pair with a monoblock amp for full-bike systems.
Fitment
- Designed for Harley-Davidson® Touring motorcycles.
- Fits Street Glide, Road Glide, Ultra Limited, CVO and custom baggers.
- Compatible with most aftermarket amp trays and fairing mounts.
Specifications
| Impedance Version | 4 Ω |
| Power @ 4 Ω | 4 × 132 W RMS |
| Power @ 2 Ω | 4 × 200 W RMS |
| Power @ 1 Ω | N/A |
| Bridged @ 4 Ω | 2 × 400 W RMS |
| Operating Voltage | 8 – 16 V |
| Current Draw (Music) | 35 A |
| Current Draw (Max) | 70 A |
| Recommended Fuse (Music) | 40 A |
| Total Efficiency | 79% |
| Damping Factor | 200 |
| Frequency Response (-3dB) | 5 Hz – 22 kHz |
| Signal-to-Noise Ratio | 91 dB |
| HPF | 45 Hz – 850 Hz |
| LPF | 45 Hz – 850 Hz |
| THD + N (10% Rated Power) | 0.1% |
| Dimensions (Inches) | 5.7 × 5.1 × 2.2 in |
| Dimensions (CM) | 14.4 × 13 × 5.6 cm |
Need System Advice?
The EVO PS 800.4 is perfect for riders who want a compact but powerful 4-channel amp capable of driving full-stage Harley audio systems. We can help you choose matching speakers, wiring kits, and charging upgrades for best performance.
Related collections
This part is listed in: All 2014–2023 Touring Audio · Amplifiers · SounDigital Motorcycle Amplifiers
Australia Shipping:
- Under $500 → $19.95
- $500–$2,500 → $14.95
- $2,500 and above → FREE
- Bulky items → +$25 surcharge (waived once your order reaches $2,500)
Fast dispatch from Brisbane. In-stock orders placed before 1pm AEST usually ship the same business day.
Change of mind: Request a return within 30 days of delivery. The product must be unused, unopened and in its original sealed packaging, valued at $50 or more, and you'll need an RMA number from us before sending anything. Return freight is yours, and a restocking fee of up to 15% may apply – we'll confirm any fee before the return is accepted.
Not returnable for change of mind: opened, installed or test-fitted items, special-order and custom products, custom harnesses, completed tuning, gift cards and items under $50.
Fitment: If we confirmed fitment in writing based on accurate bike details and it doesn't fit, we'll put it right and cover reasonable freight. Not sure? Ask us before you order – we're happy to help.
Faulty, damaged or wrong item: Contact us first with your order number. Faults follow our RMA and warranty process, and none of this affects your rights under the Australian Consumer Law.