SUNDOWN AUDIO SA-15 V.2 D4 15" 1000 Watt RMS Dual 4-Ohm Subwoofer Bass Speaker Car Subwoofers Designed to fit snugly onto

Designed to fit snugly onto the woofer's grille receiver ring

1080P Dual USB & microSD  Media Playback

Variable low-pass filter (50-250 Hz

Retains OnStar®/OE Bluetooth®

2 is a highly capable Class D

SUNDOWN AUDIO SA-15 V.2 D4 15" 1000 Watt RMS Dual 4-Ohm Subwoofer Bass Speaker Car Subwoofers Designed to fit snugly ontoBrand New SUNDOWN AUDIO SA 15 V. 2 D4 15" 1000 Watt RMS Dual 4 Ohm Subwoofer Bass Speaker Key Features: Enclosure Recommendations: Mounting Depth: 8. 66" Cutout Diameter: 14. 02" Magnet Diameter: 7. 80" Sealed Enclosure: 2. 0 ft^3 Ported Enclosure: 3. 5 ft^3 tuned to 35 Hz (F3 of ~28 Hz) Specifications: RE(ohms): 5. 83 Fs(Hz): 37. 42 Zmax(ohms): 53. 63 Qes: 0. 70 Qms: 5. 71 Qts: 0. 62 Le(mH @ 1kHz): 4. 79 Diam(mm): 333. 3750 BL: 29. 16 Mms: 431. 95