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If you are looking for dual 4 ohm subwoofers at a reasonable price, then CT Sounds has got the perfect sub product for you; the Bio 2.0 10 Inch Subwoofer D4. This sub is pretty competitive in terms of its specifications. This Bio 10" D4 sub outstandingly performs in both box options; sealed or ported.
Whats in the box:
- 1 x Bio 2.0 10" D4 Car Subwoofer (Dual 4 ohm)
- Its a dual 4Ω (ohm) subwoofer
- 300W (RMS) & can take up to 600W power (MAX)
- Comes with dual spring terminal (pair) with 2" (diameter) voice coil & composite foam surround
- Incorporates Y30 ferrite magnet; small sized but powerful enough to make the sub flex great
- Sturdy basket frame allowing the sub to hold the diaphragm strong and product solid bass covering all the low frequencies; prevents harm to other components while powered up to maximum
- Sub power: 300W (RMS) | 600W (MAX)
- Subwoofer size: 10"
- Subwoofer type/ impedance: Dual 4 ohm
- Voice coil (diameter): 2" (50.80mm)
- BL: 24.719
- FS: 35.531 Hz
- QTS: 0.408
- QES: 0.439
- QMS: 5.704
- VAS: 21.826 liters
- SPL (@1w/1m): 85.4 dB
- Xmax: ~15mm (Both way)
- Displacement: 0.10 ft3
- Sealed: 0.50 ft3
- Ported: 1.00 ~ 1.25 ft3
Mounting / Installation Parameters:
- Cutout diameter: 229mm / 9"
- Overall diameter: 262mm / 10.3"
- Mounting depth: 130mm / 5.10"