B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
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B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154

B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154

B&C Speakers
Price:
$264.97
B&C Speakers R21DS115-4 21-inch Recone Kit for 21DS115-4 Neodymium Subwoofer 1700 Watts Rms 3400 Watts Peak 4-Ohms Motorcycle Car Pro Audio Sound Speaker Waterproof Front Side - RCK21DS1154
  • GENERAL || Brand : B&C Speakers || Model Number : R21DS115-4 | R21DS115 | RCK21DS1154 || UPC : 8059300648988 | 718852125122 || This next evolution subwoofer uses a new, longer, four layer aluminum voice coil. The result is more energy in the gap, higher sensitivity, lower distortion and better overall performance. The 21DS115-4 features a 40mm long, 4.5 inch diameter (116mm) Copper Clad Aluminum Wire voice coil. || LF Recone Kit || Cone, Basket, Centering Shims ||
  • "FEATURES || Lightweight but powerful FEA-optimized neodymium magnet || Extremely high BL factor and Xmax for outstanding LF output || 14 mm Xmax, 60 mm peak-to-peak excursion before damage || 4.5"" split winding copper voice coil on fiberglass former || Ventilated voice coil gap reduces power compression || Aluminum demodulation ring on pole piece reduces distortion || Double silicone spider ||
  • "SPECIFICATIONS || Nominal diameter: 530 mm (21.0 in) || Nominal impedance: 4 Ohm || Minimum impedance: 4.2 Ohm || Nominal power handling: 1700 W || Continuous power handling: 3400 W || Sensitivity (1W/1m): 97.0 dB || Frequency range: 33 - 1000 Hz || Voice coil diameter: 116 mm (4.5 in) || Winding material: Copper || Former material: Glass Fibre || Winding depth: 34 mm (1.34 in) || Magnetic gap depth: 14 mm (0.55 in) || Flux density: 1.15 T ||
  • "PARAMETERS || Fs: 33 Hz || Re: 3.6 || Qes: 0.37 || Qms: 7.7 || Qts: 0.36 || Vas: 278.0 dm3 (9.7 ft3) || Sd: 1680.0 cm2 (260.4 in2) || o: 2.6 % || Xmax: 14.0 mm || Xvar: 15.0 mm || Mms: 335 g || Bl: 24.8 Txm || Le: 1.7 mH || EBP: 89 Hz ||
  • "MOUNTING INFORMATION || Overall diameter: 547 mm (21.5 in) || Bolt circle diameter: 527 mm (20.7 in) || Baffle cutout diameter: 508.0 mm (20.0 in) || Depth: 250 mm (9.9 in) || Flange and gasket thickness: 14 mm (0.53 in) || Air volume occupied by driver: 15.0 dm3 (0.53 ft3) || Net weight: 14.0 kg (30.8 lb) || Shipping units: 1 || Shipping weight: 16.4 kg (36.1 lb) || Shipping box: 590x590x300 mm (23.1x23.1x11.8 in)

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