The Uno S 300 S4 subwoofer offers high performance and excellent power handling. It is equipped with a polypropylene cone and rubber surround, providing high excursion with minimal distortion. An efficient cooling system ensures optimal heat dissipation, increasing its reliability.

• Diameter: 300 mm (12 in.)
• Power Handling: 250 W (RMS) / 1000 W (Peak)
• Impedance: 4 Ohm
• Voice Coil: Ø 38 mm (1.5 in.)
• Magnet Size: 134 x 45 x 34 mm (5.28 x 1.77 x 1.34)
• Weight: 3 kg (6.61 lb)
• Magnet: High-density ferrite
• Cone: Painted Pressed Paper Pulp
• Xmech: ±15.1 mm (0.59 in.)

Technical Specifications:

• D: 258 mm
• Xmax: 9.1 mm
• Re: 3.6 Ohm
• Fs: 33 Hz
• Vas: 82.2 l
• Mms: 112 g
• Cms: 0.21 mm/N
• BL: 11.3 T*m
• Qts: 0.6
• Qes: 0.65
• Qms: 7.8
• Spl: 89.5 dB

Physical Specifications:

• A: 307 mm (12.09 in.)
• B: 280 mm (11.02 in.)
• C: 128 mm (5.04 in.)
• D: 121 mm (4.76 in.)