About: CT Sounds BIO-8 8" 300W RMS Car Subwoofer
CT Sounds is proud to introduce the Bio 8” Car Subwoofer; our latest entry-level car audio subwoofer line designed to kickstart your journey into the world of car audio. The Bio 8” boasts a conservatively rated 300-watt rms power rating and delivers impressive performance while remaining budget-friendly.
The Bio 8” subwoofer comes equipped with a 2-inch - 4-layer high-temperature copper voice coil and a high narrow foam surround, providing precise and clear bass reproduction. Its advanced air cooling system will keep things running smoothly even during extended listening sessions, ensuring reliable performance when you need it most.
Designed to seamlessly pair with our pre-fabricated subwoofer enclosures, the Bio 8” Subwoofer offers a hassle-free solution for those who prefer not to build their own subwoofer box. When combined with our subwoofer enclosures, customers can expect deep bass on the lows, delivering an immersive audio experience that's sure to impress.
Product Highlights:
RMS Power: 300 Watts
MAX Power: 600 Watts
Voice Coil Configuration: Dual 2 Ohm (D2) or Dual 4 Ohm (D4)
Push Terminal Size: 12 Gauge
Specifications:
Product Type: Car Subwoofer
Subwoofer Size: 8"
Voice Coil Configuration: Dual 2 Ohm (D2) or Dual 4 Ohm (D4)
RMS Power: 300 Watts
MAX Power: 600 Watts
Voice Coil Type: 2 Inch - 4 Layer High-Temperature Copper Voice Coil
Magnet Type: Single Stacked Y25 Ferrite Magnet
Bottom Plate Type: Signature White Zinc Low Carbon Iron Bottom Plate
Surround Type: High Narrow Foam Surround
Cone Type: Pressed Composite Paper
Tinsel Lead Type: Single Round Copper Tinsel Leads with 2% Silver
Terminal Type: 12 Gauge Push Terminals
Basket Type: Stamped Steel
Spider Material: 5.3" Single-Layer Poly-Cotton Spider Suspension
Thiele & Small Parameters
D2
D4
Electrical Factor (Qes)0.6310.7
Mechanical Factor (Qms)6.415.721
Total Factor (Qts)0.5740.624
Free Air Resonance (Fs)47.146 Hz48.035 Hz
Equivalent Volume (Vas)8.27 L8.84 L
Mechanical Mass (Mms)77.78 g70.08 g
Mechanical Compliance (Cms)0.147 m/N0.157 m/N
DC Resistance (Re)3.8 Ω7.2 Ω
BL Factor (BL)11.782 Tm14.741 Tm
Cone Area (Sd)201 cm²201 cm²
Excursion (one way) (Xmax)6.5 mm6.5 mm
Sensitivity (SPL)83.4 dB83.48 dB
Subwoofer Measurements:
Mounting Depth: 3.82"
Cutout Diameter: 7.17"
Overall Diameter: 8.39"
Box Specifications:
Flat Response Curve (SQ):
Sealed: 0.25 ft³
Ported: 0.5 ft³
Tuning Frequency: 42 Hz
Port Area: 4 in²
Boomer Response Curve (SPL):
Sealed: N/A
Ported: 0.75 ft³
Tuning Frequency: 45 Hz
Port Area: 12 in²
Notes:
Flat response curve (SQ) is geared towards people looking for responsiveness. This style box is loud on all frequencies, generates little impedance loss, and can utilize an amplifier rated at the same RMS as the subwoofer.
Boomer response curve (SPL) is geared towards people looking for maximum loudness. This style box will be louder than the flat response curve at some frequencies, has a high impedance rise, and can utilize an amplifier rated at a slightly higher RMS than the subwoofer.
Enclosure recommendations do not account for subwoofer, bracing, and port displacement.
