The Optimal Audio Sub 6 is a compact 6-inch passive subwoofer designed to extend low-frequency performance in distributed audio systems where space is at a premium. Sized to fit through a standard 595mm ceiling tile opening, it is ideal for ceiling-void or under-furniture mounting in hospitality, retail, and corporate environments where visible speaker hardware is undesirable.
Driver
6″
Custom with 2.5″ voice coil
Power Handling
250W AES
Continuous
Peak SPL
118 dB
Peak output
Low Frequency
37 Hz
At -10 dB
Features
✓
Custom 6″ driver with 2.5″ voice coil for extended low-frequency output from a compact enclosure
Custom 6″ driver with 2.5″ voice coil for extended low-frequency output from a compact enclosure
✓
Fits through a standard 595mm ceiling tile for concealed ceiling-void installation
Fits through a standard 595mm ceiling tile for concealed ceiling-void installation
✓
MDF construction for controlled, tight low-end response
MDF construction for controlled, tight low-end response
✓
M8 threaded inserts for secure flying and mounting
M8 threaded inserts for secure flying and mounting
✓
Compatible with optional SB1 bracket for wall or ceiling mounting
Compatible with optional SB1 bracket for wall or ceiling mounting
✓
Black finish blends discreetly into most commercial environments
Black finish blends discreetly into most commercial environments
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Designed to pair with Optimal Audio Cuboid satellite speakers
Designed to pair with Optimal Audio Cuboid satellite speakers
Note
The Sub 6 is a passive subwoofer and requires an external amplifier. For integrated DSP and amplification within the Optimal Audio ecosystem, pair with a SmartAmp and Zone controller.
Specifications
| Driver | 6″ custom with 2.5″ voice coil |
| Type | Passive subwoofer |
| Power Handling | 250W AES |
| Peak SPL | 118 dB |
| Low Frequency Extension | 37 Hz (-10 dB) |
| Enclosure Material | MDF |
| Mounting | M8 threaded inserts, optional SB1 bracket |
| Colour | Black |
| SKU | SUB6-B |
