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Rockford Fosgate P1 10” is the first in a family of famous “Punch” subwoofers. The P1S4-10 features a 4-Ohm voice coil, and 250 Watts RMS power handling.
| Magnet Weight (oz) | 45 oz. (1.28 kg.) |
| Subwoofer Type | Standard |
| Nominal Impedance | 4-Ohm |
| Voice Coil Type | Single Voice Coil |
| Size | 10" |
| CEA-2031 Compliant | |
| Power Handling (Watts RMS) | 250 Watts RMS 500 Watts Max |
| Qms | 3 |
| Qes | 0.61 |
| Qts | 0.52 |
| Fs (Hz) | 30 |
| Speaker Connector | Dual 10 AWG compression |
| Re (Ohms) | 3.6 |
| Voice Coil Diameter | 2.0" (51.6 mm) |
| Vas (Liters) | 40 |
| SPL (dB @ 1w/1m) | 85 |
| Sd (cm2) | 370 |
| Le (mH) | 2.81 |
| Xmax (mm) | 9 |
| Mounting Depth | 5.33 in. (135.4 mm) |
| SPL (dB @ 2.8v/1m) | 88 |
| Cutout Diameter | 9.14 in. (232 mm) |
| Woofer Displacement | 0.056 cu. ft. (1.6 Liters) |
| Sealed Box Volume (Vb) | 0.59 cu. ft. (16.7 Liters) |
| Vented Box Volume (Vb) | 1.4 cu. ft. (39.6 Liters) |
| Shipping Weight | 10.9 lb. (4.94 kg) |
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.










