BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer
BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer
BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer
BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer
BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer
BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer

BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer

Regular price 14% OFF Before: $69.99 Sale pricePrice: $59.99
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$59.99
COIL CONFIGURATION
Details

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.

Quick Facts:
RMS Power: 300 Watts
MAX Power: 600 Watts
Voice Coil Configuration: Dual 2 Ohm
Push Terminal Size: 12 Gauge

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.

Specs
General Specifications:
Product Type: Car Subwoofer
Subwoofer Size: 8"
Voice Coil Configuration: Dual 2 Ohm
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
T/S Parameters:
Qes: 0.631
Qms: 6.41
Qts: 0.574
Fs: 47.146 Hz
Vas: 8.27 L
Mms: 77.78 g
Cms: 0.147 m/N
Re: 3.8 Ω
Bl: 11.782 Tm
Le: /
Sd: 201 cm²
Xmax - Single Way (mm): 6.5 mm
Xmax - Single Way (cm): 0.65
Vd (Sd*Xmax): 130.65 cm³
SPL: 83.4 dB
Box Specs
Subwoofer Measurements:
Mounting depth 3.82"
Cutout diameter 7.17"
Overall diameter 8.39"
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 /
Ported 0.75 ft³
Tuning Frequency 45 Hz
Port Area 12 in²

*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.

Details

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.

Quick Facts:
RMS Power: 300 Watts
MAX Power: 600 Watts
Voice Coil Configuration: Dual 4 Ohm
Push Terminal Size: 12 Gauge

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.

Specs
General Specifications:
Product Type: Car Subwoofer
Subwoofer Size: 8"
Voice Coil Configuration: Dual 4 Ohm
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
T/S Parameters:
Qes: 0.7
Qms: 5.721
Qts: 0.624
Fs: 48.035 Hz
Vas: 8.84 L
Mms: 70.08 g
Cms: 0.157 m/N
Re: 7.2 Ω
Bl: 14.741 Tm
Le: /
Sd: 201 cm²
Xmax - Single Way (mm): 6.5 mm
Xmax - Single Way (cm): 0.65
Vd (Sd*Xmax): 130.65 cm³
SPL: 83.48 dB
Box Specs
Subwoofer Measurements:
Mounting depth 3.82"
Cutout diameter 7.17"
Overall diameter 8.39"
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 /
Ported 0.75 ft³
Tuning Frequency 45 Hz
Port Area 12 in²

*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.

Wiring Calc.
Subwoofer Quantity     
Voice Coil Impedance  

Customer Reviews

Based on 54 reviews
96%
(52)
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G
Gerson H. (Redmond, WA)
Sub works great!

Sub works great! I didn’t use it in an automotive application but love how it sounds with my set up.

H
Hector (Mesquite, TX)
Good subs for starters

Best quality for the price

S
SOTERO D. (Santa Ana, CA)
Good 🔊

Good quality sounds 👌

J
Jimmy H. (Phoenix, AZ)
Holy fk balls!

So my girl wanted a mediocre system. Shopped Amazon for a head unit, dash kit, amp wire kit, and this bio 8" sub. I sent her the link for the 2 ohm, but Amazon defaulted to the 4 ohm when she added it to the cart. I sat on everything for 2 weeks before I got around to building a box and installing. My heart sank when I unboxed the sub and saw... 4 ohm. My old Kenwood 150w is only 4 ohm stable bridge. It is what it is. I hooked it up as 8 ohms and Holy fk balls that thing still hits! Ported .80 cubic ft box under the back seat of her silverado. Now I just gotta get her some door speakers to keep up. Eventually, we'll order a proper 2 ohm sub, (cheaper than another amp and 4g wire kit). I've ran kickers and Kenwood in all my cars. All I was expecting for her was "mediocre". I'm def impressed by thing little thing and can't wait to see what running one at 4 ohms instead 8 will do.

F
Fritz C. (Lakeside, CA)

BIO-8 // 300 Watts RMS 8 Inch Car Subwoofer