TROPO-8 400 Watts RMS 8 Inch Car Subwoofer vs BIO-8 300 Watts RMS 8 Inch Car Subwoofer
Today the BIO-8 300 Watts RMS 8 Inch Car Subwoofer costs $40.00 less at its best price.

TROPO-8 400 Watts RMS 8 Inch Car Subwoofer
4.9$99.99at eBayObserved Nov 1, 2026, 6:15 PM
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BIO-8 300 Watts RMS 8 Inch Car Subwoofer
5$59.99at CT SOUNDSVerified
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| Spec | TROPO-8 400 Watts RMS 8 Inch Car Subwoofer | BIO-8 300 Watts RMS 8 Inch Car Subwoofer |
|---|---|---|
| Waterproof | No | No |
| RMS Output | 400 Watts | 300 Watt |
| Maximum Output | 800 Watts | 600 W |
| Dual Voice Coil | Yes | Yes |
| Speaker Type | Subwoofer | Subwoofer |
| Impedance | Dual 2 Ohm | Dual 2 Ohm |
| Sensitivity | 84.7 dB | 83.4 dB |
| Connectivity Type | Wired | Wired |