BIO-4-COX // 80 Watts RMS 4 Inch Car Coaxial Speakers, Pair
The CT Sounds BIO-4-COX 4” 2-way coaxial car speakers are the perfect upgrade for your factory car speakers and are extremely versatile with the ability to be powered by your factory head unit, an aftermarket head unit, or a multichannel amplifier. The speakers are sold as a pair and include (2) 4” signature CT Sounds speaker grilles, (2) premium speaker wires with pre-crimped female spade connectors, (8) 1” mounting screws, (8) mounting clips, and (1) product manual with wiring diagrams for easy installation.
| Quick Facts: | |
| RMS Power: | 80 Watts (Pair) |
| MAX Power: | 160 Watts (Pair) |
| Speaker Type: | 4" 2-Way Coaxial |
| Voice Coil Configuration: | Single 4-Ohm |
The name “BIO” derives from the Biosphere, Earth’s lowest atmospheric layer. And just like the name suggests, these 4-inch speakers come closer to earth delivering a nicely balanced tonal range at a price that won’t send you into space. The silk-dome tweeter combined with the polypropylene woofer delivers sound that is rich and full with tight bass and mids. Don’t just hear sound. Travel to the future and experience it.
| General Specifications: | |
| Speaker Size: | 4" |
| Speaker Type: | 2-Way Coaxial Speaker Set |
| Impedance Per Speaker: | Single 4-Ohm |
| Power Per Speaker: | 40W (RMS) | 80W (MAX) |
| Total System Power: | 80W (RMS) | 160W (MAX) |
| Voice Coil Size: | 1.00" |
| Voice Coil Wire Material: | CCAW |
| Voice Coil Bobbin Material: | KSV |
| Magnet Diameter: | 70 mm |
| Magnet Height: | 10 mm |
| Magnet Weight: | 5.27 Oz |
| Magnet Type: | Y30 |
| Cone Material: | Black Vacuum Polypropylene |
| Surround Material: | Nitrile Butadiene |
| Basket Type: | Stamp Steel |
| Terminal Type: | Steel Plate (Big Plate = Positive) |
| Woofer Specifications: | |
| Output SPL (@1w/1m): | 85 dB |
| QTS: | 1.2 |
| Frequency Response (@SPL -10dB): | 105 Hz - 20 kHz |
| Resonant Frequency: | 120 Hz |
| Sweep Voltage: | 10 V |
| Crossover Point: | 4 kHz |
| Tweeter Specifications: | |
| Tweeter Size: | 13 mm |
| Tweeter Type: | Silk-Dome |
| Tweeter Voice Coil Material: | KSV |
| Magnet Type: | NdFeB |
| Output SPL (@1w/1m): | 91 dB |
| Frequency Response (@SPL -10dB): | 1500 Hz ~ 20 kHz |
| Sweep Voltage: | 2.8 V |
| Crossover Specifications: | |
| Crossover Circuit: | 4.7 μF / 50 V |
| Filter For Tweeter: | 6 dB/Oct |
| Mounting Specifications: | |
| Overall Diameter: | 3.96" |
| Cut-out Diameter: | 3.60" |
| Magnet Diameter: | 2.76" |
| Magnet Height: | 0.39" |
| Mounting Depth: | 1.70" |
| Overall Height: | 1.87" |