Focal · Subwoofers · Studio Monitors
Sub One
Self-powered studio subwoofer with a built-in 2 x 100W Class-D amp, made to extend Focal's Alpha Evo and Shape monitor lines.
fig. 01 · subwoofers
Sub One

8 photographs · 5 shown
From Focal
Two 8-inch long-excursion drivers with Slatefiber cones load a single cabinet, driven by a built-in 2 x 100W Class-D amp rated at 200W RMS. Balanced XLR L/R/LFE inputs feed the sub, with parallel XLR outputs to satellites. Response spans 32Hz to 120Hz, with switchable 60Hz/90Hz high-pass crossover.
Specifications
| Type | Sub One |
|---|---|
| Frequency response (+/-3dB) | 32Hz - 120Hz |
| Maximum SPL | 114dB SPL (peak @ 1m) |
| Inputs | Left, Right, LFE | Electronically balanced / 110kOhms | 3-point female XLR | Variable |
| Outputs (to satellites) | Left + Right | 3-point male XLR in parallel on inputs |
| Amplification | 2 x 100W RMS, D-class |
| Internal signal processing and functions | Left + Right mono summation | 60Hz or 90Hz high-pass crossover | Adjustable low-pass crossover, | 24dB/octave | Phase adjustment | Polarity |
| User controls | Subwoofer level adjustment | (sensitivity) | Low-pass crossover cut-off frequency | adjustment | Phase adjustment | Polarity inverter | External mute (controlled by a pedal) |
| Indicators (LED) | Power | Defeat |
| 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) | 18 3/4 "x11 3/4 "x19 3/4 "(475x310x520mm) |
| Weight | 40.8lbs (18.5kg) |



