Focal Sub One – Slim, High-Precision Subwoofer for Evo and Shape Series

Designed to perfectly complement the Alpha Evo and Shape monitor lines, the Sub One delivers tight, accurate low-end in a sleek, compact package. With twin 20 cm (8″) Slatefiber drivers, 200 W RMS of Class-D power, and advanced tuning controls, it enhances your monitoring with depth, clarity, and seamless integration—available now at Soundium.

Key Features

• Dual 20 cm Slatefiber drivers: Lightweight, rigid carbon-fibre composite cones crafted in France ensure neutral, low-distortion bass response
• 200 W RMS amplification: Two 100 W Class-D amps deliver smooth, dynamic power down to 32 Hz
• Full set of tuning controls: Includes adjustable low-pass crossover (50–150 Hz), high-pass crossover (75 or 100 Hz), level, phase (0–180°), polarity switch, mute, and 2.1 bypass via footswitch
• Multiple I/O options: Balanced XLR inputs (Left, Right, LFE), plus Left/Right outputs to satellites—great for both 2.1 and surround configurations
• Space-saving, front-ported design: Slim profile and front vents allow easy placement under a desk or flush against a wall

Customer Benefits

Sub One adds clean, controlled bass where it counts—without overpowering or muddying the mix. Its subtle form factor keeps your studio streamlined, while flexible tuning lets you precisely match your room and monitors. Footswitch bypass makes quick A/B checks effortless, and powerful output ensures confidence in your low-end decisions—making it a perfect fit for any Alpha Evo or Shape-based setup.

Quick Specs

• Drivers: 2 × 20 cm (8″) Slatefiber woofers
• Frequency Response (±3 dB): 32 Hz – 120 Hz
• Maximum SPL (peak @ 1 m): 114 dB
• Amplification: 200 W RMS (2 × 100 W Class-D)
• Inputs/Outputs: Balanced XLR: Left, Right, LFE in; Left + Right outputs to monitors
• Controls: Level, low-pass, phase, polarity flip, high-pass (75/100 Hz), mute, 2.1 bypass (footswitch)
• Cabinet Design: Front-ported, space-saving profile
• Dimensions (H × W × D): 47.5 cm × 31 cm × 52 cm
• Weight: 18.5 kg

What’s in the Box

• Focal Sub One professional subwoofer (single unit)
• IEC power cable
• Protective grille (front-mounted)
• Documentation and quick-start guide

Use Cases / Ideal For

Perfect for elevating near-field and mid-field monitoring setups with Alpha Evo or Shape speakers. Also excels in post-production and music production environments where low-frequency accuracy is essential but space is limited. Ideal for those seeking powerful bass without sacrificing clarity or control.

Compatibility

Seamlessly integrates with Focal Alpha Evo and Shape monitor ranges. Works in both stereo and 2.1 setups. Balanced XLR I/O and footswitch-ready bypass make it flexible for professional and immersive studio workflows.

Pros & Cons

✅ Pros:

• Smooth, impactful bass with Slatefiber cone accuracy
• Compact design fits under desks and close to walls
• Comprehensive controls for tailored room integration
• Footswitch bypass simplifies reference checks

⚠️ Cons:

• Large enough to require sturdy support
• Relies on external footswitch (sold separately) for full bypass functionality

Focal Sub One delivers professional tone, refined bass control, and studio-friendly form—perfect for powering your Evo or Shape monitoring setup. Ground your sound with confidence—only at Soundium.