TROPO-8 400 Watts RMS 8 Inch Car Subwoofer vs HYDRO-8 300 Watts RMS 8 Inch Shallow-Mount Subwoofer
Today the HYDRO-8 300 Watts RMS 8 Inch Shallow-Mount Subwoofer costs $10.00 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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HYDRO-8 300 Watts RMS 8 Inch Shallow-Mount Subwoofer
5$89.99at eBayObserved Nov 1, 2026, 6:15 PM
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| Spec | TROPO-8 400 Watts RMS 8 Inch Car Subwoofer | HYDRO-8 300 Watts RMS 8 Inch Shallow-Mount Subwoofer |
|---|---|---|
| RMS Output | 400 Watts | 300 Watts |
| Maximum Output | 800 Watts | 600 Watts |
| Channels | 2.0 (surround sound channel configuration) | Stereo |
| Dual Voice Coil | Yes | Yes |
| Speaker Type | Subwoofer | Subwoofer |
| Impedance | Dual 2 Ohm | Dual 2 Ohm |
| Sensitivity | 84.7 dB | 84.48 dB |
| Bluetooth | No | No |