Sub 15
High-power sub-bass loudspeaker
Features
- Compact size
- Powerful sub-bass support down to 40Hz (-10dB)
- High power handling
Cafes
Bars/Restaurants
Wedding Venues
Hotels
Education Facilities
Houses of Worship
Fitness Studios
Sub 15 is a compact, high-performance, passive, 15” subwoofer designed for applications that call for increased impact and low frequency performance across the Optimal Audio loudspeaker range.
The 15” (380mm) driver is loaded into a plywood bass-reflex cabinet that maximises performance, with a peak SPL of 135dB, while taking up minimal space. Sub 15 can be used on the ground or flown using integral M8 inserts.
An impact-resistant perforated steel grille protects the driver, and rubber feet on the base resist movement. The Sub 15 enclosure is constructed from plywood and finished in black textured paint.
When teamed with Zone and WebApp, system set up and end user control is simple and intuitive, and can be further supplemented by ZonePad wall controllers.
| TYPE | Sub-bass loudspeaker |
| FREQUENCY RESPONSE (with preset) | 45Hz – 150Hz ± 3dB |
| DRIVERS | LF: 15” (380mm) |
| RATED POWER | 500W (AES) 2000W (Peak) |
| NOMINAL IMPEDANCE | 8Ω |
| SENSITIVITY (1W/1m) | 102dB (Half Space) |
| MAXIMUM SPL | 129dB (cont) 135dB (peak) (Half Space) |
| ENCLOSURE | Plywood |
| FINISH | Black Textured Paint |
| PROTECTIVE GRILLE | Perforated steel |
| CONNECTORS | Euroblock type |
| FITTINGS | 12 x M8, Inset bolts |
| DIMENSIONS | ((W) 716mm x (H) 443mm x (D) 480mm |
| WEIGHT | 34.3Kg (75.6lbs) |
Optimal Audio Sub 15 Subwoofer FAQs
The benefits are as follows:
- Powerful and deep bass: Experience significantly enhanced low-frequency performance for a more impactful and dynamic sound.
- Increased sound pressure: The Sub 15 delivers higher volume capability, ideal for larger spaces or applications requiring louder audio.
- Enhanced audio fidelity: The Sub 15 offloads bass reproduction from the main speakers, allowing them to focus on mid-range and high frequencies for a clearer overall soundscape.
Sub 15 is suited for applications demanding more powerful bass extension than the Sub 10. While specifically designed for the Optimal Audio ecosystem, it can be paired with various speaker systems that benefit from a strong subwoofer presence. Here are some potential applications:
- Larger Optimal Audio speaker systems (Cuboid 12 and Cuboid 15) in bigger venues.
- Home theater systems for a more immersive movie experience.
- Live music venues or performance spaces.
The main benefits are as follow:
- High-power 15-inch driver: Delivers powerful and deep bass for impactful sound.
- Plywood bass-reflex cabinet: Maximizes low-frequency performance with minimal distortion.
- Peak SPL of 135dB: Provides high output capability for loud environments.
- Compact design for a 15-inch subwoofer: Fits well in various spaces while offering significant bass extension.
- Passive design: Requires a separate amplifier to function. Optimal Audio recommends amplifiers with sufficient power handling to drive the Sub 15 effectively.
- Mounting options: Floor-stand placement, wall-mounting, or even ceiling-mounting using the integrated M8 inserts for versatility.
Durable perforated steel grille: Protects the subwoofer driver.
The Sub 15 is a passive speaker and requires a separate amplifier to function. Optimal Audio offers compatible amplifiers like the Amp series designed to work seamlessly with their Sub range. The amplifier should have a compatible impedance rating (typically 8 ohms) and sufficient power output to drive the Sub 15 speaker effectively.
