Sphere Series SP 10820 FR Single, 8in Bass Reflex, 2-way Full Range SPECIFICATION Frequency Range (-10 dB) : 55 Hz – 20 kHz Frequency Response (±3 dB) : 65 Hz – 20 Hz Horizontal Coverage Angle (-6 dB) : 90° Vertical Coverage Angle (-6 dB) : 60° Crossover Modes : Passive System Sensitivity (1m/1w) : 92 dB Maximum SPL¹ : 121 dB System Nominal Impedance : 8 Ohm Power Rating (RMS / Program / Peak)² : 200 / 400 / 800 Watt TRANSDUCER HF Driver : RM CD 340T1B08F-MK1, ferrite, 35.0 mm VC LF Driver : RM-8B, 8in, Ferrite, 41.400 VC PHYSICAL Enclosure Material : MDF P2 15mm Finish : Black texture Input Connector : Neutrik Speakon NL4 (x2 parallel) Dimension (H x W x D) : 442 x 283 x 245 mm (net) : 530 x 366 x 328 mm (shipping) Weight (Net/Shipping) : 10 / 13 Kg Mounting & Suspension : Eye Bolt M10 Thread Note:1 Calculated based on peak power and measured sensitivity2 RMS based modified AES measurement (frequency band 50Hz-20kHz)