The ARCAM R25B powered subwoofer delivers the low-frequency authority that completes any Radia loudspeaker system—bringing depth, weight, and cinematic impact to music and movies alike. Designed to blend seamlessly with the Radia Series, it reinforces your system with bass that is powerful, controlled, and beautifully expressive. Features 250 mm (10-inch) coated fibre-composite cone driver in a cast aluminium frame for deep bass extension of every rhythm and impact throughout your room 750 watt RMS (1,500 watt peak) Class D amplifier for limitless low-frequency authority that complements any loudspeaker system Volume, crossover and phase controls for simple and flexible configuration with your speakers Inverted surround and trim ring conceal the hardware for a sleek aesthetic and reduce damaging high-frequency cabinet diffraction Magnetically attached grille for a clean, seamless look with no visible attachments At its core is a 250mm (10-inch) high-excursion woofer, driven by a 750-watt digital amplifier for exceptional headroom and dynamic capability. Its bass-reflex tuned enclosure, extensive tuning and connectivity options allow effortless integration into any room or Radia system, ensuring a smooth handover to your main loudspeakers. The ARCAM R25B brings your audio to life—letting you feel every rhythm, every impact, and every atmospheric detail with stunning realism. Specifications Type: Subwoofer Cabinet Finish: Black natural walnut veneer Driver: 250 mm (10-inch) coated fibre-composite cone driver in a cast aluminium frame Amplifier Power: 750 watt RMS / 1,500 watt peak power Inputs: RCA LFE/line level, 3.5 mm 12 V trigger Controls: Auto power, crossover, level, phase Crossover Frequencies: 50 Hz–150 Hz (variable), 24 dB/octave Enclosure Tuning: Bass reflex via rear-mounted port Frequency Response (±6 dB): 26 Hz–150 Hz Mains Voltage: 100–120 V or 220–240 V, 50–60 Hz Power Consumption: 205 W Standby Power Consumption:
