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The PM500X1bd is a 500-Watt mono amplifier with high dynamic power using Class-bd technology & a conformal coated pc board designed for motorsport & marine.
| Input Sensitivity | 150 mV - 12 V |
| Crossover Controls |
Low-Pass (LP): 50-250Hz @ 12dB/octave Butterworth Infrasonic Filter (IF): 28Hz @ 12dB/Octave All-Pass (AP): No |
| Average Current Draw (13.8V Music) | 35 A |
| Max. Current Draw (13.8V Sinewave) | 70 A |
| Total Harmonic Distortion (THD+Noise) |
4-Ohm:<1.0% 2-Ohm:<1.0% 1-Ohm:<1.0% |
| Rated Power (RMS Continuous Power) |
150 Watts x 1 @ 4-Ohm 300 Watts x 1 @ 2-Ohm 500 Watts x 1 @ 1-Ohm |
| Recommended Fuse (not included) |
80 A |
| Efficiency (average) | 86% @ 4-Ohm |
| Operating Voltage | 9 - 16 VDC |
| Suggested Alternator | 75 A |
| Dynamic Power (PVC/PowerCube®) |
224 Watts x 1 @ 4-Ohm 410 Watts x 1 @ 2-Ohm 787 Watts x 1 @ 1-Ohm |
| Total Power (Sum of Rated Power) |
500 Watts |
| Shipping Weight | 10.8 lb. (4.89 Kg.) |
| Number of Channels | 1 |
| Bridgeable | No |
| CEA-2006 Compliant |
150W x 1 @ 4Ω ≤1.0% THD+N |
| Power Wire Gauge | 4 AWG |
| Speaker Output Connector | Captive C-Clamp |
| Power Input Connector | Captive C-Clamp |
| Tone Controls | Punch EQ2 Bass: 0dB to +18dB @ 45Hz |
| Signal Input | Hi/Low level: 1 RCA pair |
| Speaker Wire Gauge | 8 AWG to 18 AWG |
| Signal Output | Low level: 1 RCA pair |
| Remote Controls | Optional Punch Level Control (PLC2) Ready |
| Heat Sink Type | Cast aluminum |
| Cooling | Convection |
| Visual Indicators | Power/Protect/Thermal LED Input Clip LED3 Output Clip LED1,2,3 LED Color Legend: 1BLUE: <0.5% THD 2VIOLET: 1% THD 3RED: 10%+ THD |
| Circuit Topology Class | Class BD |
| Frequency Response | 20Hz to 250Hz +/- 1.0dB |
| Dimensions (H x W x D) | 2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm) |
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.










