Hertz S8 DSP — Precision 8-Channel Processing for High-Performance Harley Audio
The Hertz S8 DSP is a compact, high-resolution digital signal processor engineered for riders who want full control of their audio system. With 8 processed channels, 96 kHz / 24-bit capability, advanced crossovers, time alignment, and a tiny footprint that fits easily inside Harley fairings, the S8 DSP is the foundation of any properly tuned multi-amp motorcycle system.
Key Features
- 8 processed channels for full active front stages, mid-bass, and sub control.
- Hi-Res Audio support with 96 kHz / 24-bit converters for cleaner tuning precision.
- Advanced EQ with multi-band parametric EQ on every channel.
- Time alignment for accurate staging at the rider’s position.
- Adjustable crossovers (HP, LP, BP) with multiple slope options.
- Compact chassis (130 × 88 × 33 mm) fits inside Street Glide and Road Glide fairings.
- OEM-friendly integration with high-level inputs and summing capability.
- PC-based tuning software for precise real-time adjustments.
Why It Works on Harleys
- Ultra-compact size allows fairing mounting even in multi-amp systems.
- High-level input compatibility integrates with factory 2014+ Harley radios.
- Multiple preset capability to tailor sound for solo, two-up, or demo (parked) modes.
- Fine-grained EQ and time alignment compensates for fairing location differences.
- Essential for active systems running SP4.900, SP4.500, SP1.900, and multi-amp setups.
Recommended System Use
- Active front stages: midrange + tweeter crossover and alignment.
- Mid-bass and subwoofer control: dedicated low-frequency EQ and filtering.
- 4–8 channel amplifier systems: Street Glide, Road Glide, Ultra, CVO builds.
- High-end tuning: for maximising clarity and SPL at highway speeds.
Fitment
- Suitable for all Harley-Davidson Touring models.
- Installs in fairings, inner fairing cavities, or custom amp racks.
- Compatible with both factory and aftermarket head units.
Specifications
| Processed Channels | 8 |
| Input Channels | 6 (High/Low Level) |
| Sampling Rate | 96 kHz |
| Resolution | 24-bit |
| EQ | Parametric EQ on all channels |
| Crossover Types | HPF / LPF / Band-Pass |
| Time Alignment | Per-channel delay adjustment |
| Input Sensitivity | 0.8 – 32 V |
| Dimensions | 130 × 88 × 33 mm |
| Weight | 0.37 kg |
Need Help With DSP Setup?
The S8 DSP is a powerful tool for unlocking maximum clarity, staging, and output from your Harley audio system. If you’re building a multi-amp or active setup, we can help design a complete signal path that gets the most from your speakers and amplifiers.
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.