Description
Clean and controlled low-end performance
- Compact passive subwoofers
- Delivering clean, controlled low-end
- Featuring robust steel grilles
- Wall brackets included
- Available in black or white
The Wharfedale Pro Quad Industrial Sub Series is a range of compact passive subwoofers designed to deliver clean, controlled low‑end performance in fixed commercial installations. With robust construction, discreet form factors, and flexible mounting options, the series adds punch and depth to background music systems in cafés, restaurants, retail, and hospitality spaces.
Models:
QI SUB 8 is a compact passive subwoofer designed to add punch and depth to fixed installations such as cafés, restaurants and retail spaces.
With a frequency response extending down to 41 Hz, it delivers clean, controlled low-end performance while remaining discreet and easy to integrate into smaller environments.
Built with a durable MDF enclosure finished in black or white Tough-Tone paint, QI SUB 8 features a robust steel grille and is supplied with a wall bracket. Multiple rigging points are also included for flexible mounting options.
Delivering powerful low-end from a compact and discreet enclosure.
QI SUB 12 is a compact passive subwoofer designed to add punch and depth to fixed installations such as cafés, restaurants and retail spaces.
With a frequency response extending down to 38 Hz, it delivers deeper, more powerful low-end performance while maintaining a compact installation-friendly form factor.
Built with a durable MDF enclosure finished in black or white Tough-Tone paint, QI SUB 12 features a robust steel grille and is supplied with a wall bracket. Multiple rigging points are also included for flexible mounting options.
Delivering powerful low-end from a compact and discreet enclosure.
| Specification | QI SUB 12 | QI SUB 8 |
|---|---|---|
| System Type | Subwoofer | Subwoofer |
| System Continuous Power | 350 W | 250 W |
| System Programme Power | 700 W | 500 W |
| System Peak Power | 1400 W | 1000 W |
| Max SPL @ 1m | 130 dB | 127 dB |
| Freq Range (-10 dB) | 38 Hz-200 Hz | 41 Hz-200 Hz |
| Freq Response (+/-3 dB) | 45 Hz-150 Hz | 50 Hz-150 Hz |
| LF Driver Size | 12″ | 8″ |
| LF Voice Coil Size | 2.5″ | 2.5″ |
| LF Rated Impedance | 8 Ω | 8 Ω |
| QI CORE Preset | Yes | Yes |
| Input Connector | 2 x 4 Pole Speaker Connector / Barrier Strip | 2 x 4 Pole Speaker Connector / Barrier Strip |
| Enclosure Material | 15mm MDF | 15mm MDF |
| Grille Material and Finish | Powder Coated Steel | Powder Coated Steel |
| Finish | Black or White Tough-Tone Paint | Black or White Tough-Tone Paint |
| Brackets Included | Yes | Yes |
| Sensitivity 2.83v / 1m | 99 dB | 97 dB |
| System Rated Impedance | 8 Ω | 8 Ω |
| Crossover Frequency | 125 Hz | 125 Hz |
| Recommended HPF = BW 18 dB/OCT. | 33 Hz | 28 Hz |
| Included Accessory | User Manual, M8 x 6 insert bolts + 2 pcs Sub Bracket | User Manual, M8 x 6 insert bolts + 2 pcs Sub Bracket |
| Unpacked – Height (mm) | 360 | 260 |
| Unpacked – Width (mm) | 565 | 410 |
| Packed – Height (mm) | 420 | 320 |
| Packed – Width (mm) | 620 | 365 |
| Packed – Depth (mm) | 485 | 365 |
| Weight – Nett (kg) | 23.2 | 16.3 |
| Weight – Gross (kg) | 26.5 | 19 |
Wharfedale Pros goal is to produce high quality, affordable and durable sound reinforcement products for musicians (professional and amateur) and for corporate installations, from superclubs to shopping malls.
A combination of a passion for music and stringent quality control stemming from one of the world’s most famous loudspeaker companys means power, reliability and great value are what they’re known for, and they’re proud of it.
