Focal Sub One (each)
Focal Sub One (each)

Focal Sub One (each)

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Product Code:
Focal Sub One
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Type Sub One

Frequency response

(+/-3dB) 32Hz – 120Hz

Maximum SPL 114dB SPL (peak @ 1m)


Left, Right, LFE

Electronically balanced / 110kOhms

3-point female XLR



(to satellites)

Left + Right

3-point male XLR in parallel on inputs

Amplification 2 x 100W RMS, D-class

Internal signal


and functions

Left + Right mono summation

60Hz or 90Hz high-pass crossover

Adjustable low-pass crossover,


Phase adjustment


User controls

Subwoofer level adjustment


Low-pass crossover cut-off frequency


Phase adjustment

Polarity inverter

External mute (controlled by a pedal)

Indicators (LED) Power


Power supply Universal detachable IEC

inlet power cord

Subwoofer 2 x 8" (20cm) long-excursion Focal

speaker drivers with “Slatefiber” cone

Construction 7/8" (22mm) MDF panel

with internal braces

Finish Dark grey vinyl

Dimensions (HxWxD) 183/4"x113/4"x193/4"(475x310x520mm)

Weight 40.8lbs (18.5kg)


For producers and sound engineers with higher demands in the sub-bass, Focal offers Sub One, a subwoofer that delivers power of 200W RMS. Thanks to its precision and very low distortion, this long-excursion, high-efficiency subwoofer ensures ideal coupling with the Alpha Evo line but also the Shape line of monitors.

The speaker drivers boast an exclusive double-skinned Slatefiber cone: the two cones affixed against each other offer even greater rigidity, ideal for a subwoofer. Finally, with its large vents located on the front panel, Sub One is very easily and discreetly positioned along a wall or under a desktop as it takes up less depth.


2 x 8” (20cm) woofers with Slatefiber cone made in France
200 W RMS amplifier
Sound neutrality, precise control of bass equalisation
Compact design, optimal integration
Multiple settings: low-pass crossover, volume, Footswitch input, etc.
LFE, left and right inputs / left and right outputs
Reproduction of sonic micro-details; precise adjustment of signal compression

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