About the Rockford Fosgate PM100X1
Magic power pack
Magic power pack
Rockford Fosgate's gamechanging PM100X1 package contains two seriously small, full-range mono amps, each one delivering 60 watts RMS to a speaker — that's more than twice the power of a typical factory radio or aftermarket receiver. Employing their patent-pending "FreeLoad" technology, each PM100X1 uses a receiver's output as its power source, so it doesn't need a power wire running to the battery (although you will have to run a ground wire).
New design
This revolutionary amp stores voltage from the receiver's output in a large power supply reservoir for boosting its output, allowing Rockford Fosgate to pack all that power in such a small chassis. Instead of having to find a spot for a larger 2-channel amp, you can mount these tiny amps just about anywhere you want, even behind the speakers.
Control
Each amp comes ready to work with almost any radio or receiver — no complicated gain control adjustments are necessary. A selectable high-pass filter lets you tune the sound to fit your speakers. You'll also find an input impedance switch, which you can use to match the amp's input to the output of a receiver capable of driving 2-ohm loads.
Powersport and marine ready
A rubber switch cover prevents dirt and water from getting inside and doing any damage. With the cover in place, the amp carries an IPX6 water intrusion rating, which means it'll tolerate getting sprayed but not submerged. The amp's compact size (4" x 3") makes it perfect for powersports vehicles and boats, where space is precious.
PM100X1 controls
Product highlights:
- two compact mono amplifiers
- 60 watts RMS x 1 at 4 ohms (100 watts RMS x 1 at 2 ohms)
- CEA-2006 compliant
- patent-pending BTL "FreeLoad" technology requires no separate positive power lead
- connects to speaker wiring and chassis ground
- selectable high-pass filter (60, 80, or 100 Hz at 12 dB/octave)
- input impedance switch for low-impedance-capable receivers
- rubber switch cover
- IPX6 water intrusion rated
- dimensions: 3"W x 1-5/16"H x 3-15/16"D
- warranty: 2 years
- Our 60-day money-back guarantee
- MFR # PM100X1K
What's in the box:
Rockford Fosgate PM100X1 owner's manual
- The PM100X1K package contains two separately-boxed PM100x1 mono amplifiers.
- Each amplifier box includes:
- Mono amplifier with attached 7.75" pigtail
- 12" Input/Output/Ground harness (16 AWG wires)
- 12" Power wire (16 AWG)
- 2 Self-tapping screws (3/4" length)
- Certificate of Performance Verification
Customer Q&A
Q
Can the high pass crossover be defeated?
A
No. The energy from the lower frequencies is what powers the amplifier. If you were to defeat it, there would be no amplification.
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More details on the Rockford Fosgate PM100X1
Features & specs
| Performance | ||
|---|---|---|
| RMS Power Output (Watts x Channels) | 60 x 1 | |
| Frequency Response at Rated RMS Power | 20-20k Hz | |
| THD at Rated RMS Power | 1% | |
| Signal to Noise Ratio | N/A | |
| Input Voltage | 14.4v | |
| Peak Power Output (Watts x Channels) | 100 x 1 | |
| Power at 2 Ohms (Watts x Channels) | 100 x 1 | |
| Bridged Power (Watts x Channels) | --- | |
| Minimum Impedance Bridged | --- | |
| Minimum Impedance Unbridged | 2 | |
| Features | ||
| Amplifier Class | BTL | |
| Low-Pass Crossover Frequency | N/A | |
| Low-Pass Slope (dB/octave) | N/A | |
| High-Pass Crossover Frequency | 60, 80, 100 Hz | |
| High-Pass Slope (dB/octave) | 12 dB/octave | |
| Bass Boost | No | |
| Bass Boost Frequency | N/A | |
| Fan Cooled | No | |
| Fuse Rating | N/A | |
| Speaker Level Inputs | Yes | |
| Preamp Outputs | No | |
| Height (inches) | 1-5/16 | |
| Width (inches) | 3-15/16 | |
| Depth (inches) | 3-1/16 | |
| Parts Warranty | 2 Years | |
| Labor Warranty | 2 Years | |
Product Research
Features
Overview: The Rockford Fosgate PM100X1K contains two separate PM100X1 full-range mono amplifiers, one for the left channel, and one for the right channel. These Punch Marine amps feature conformal-coated PCBs (printed circuit boards) and Element-Ready design that makes them perfect for mobile, motorsport, and marine applications. Rockford Fosgate's patent-pending BTL Powered "FreeLoad" technology powers the amplifier without requiring a standard B+/Ground power connection. These tiny amplifiers only require a 4" x 3" footprint.
BTL Powered FreeLoad Technology: The PM100X1 does not require a power wire from the battery to power the amplifier. Audio signals contain an AC signal, and a DC offset voltage that the amplifier can use to store in its internal capacitors to produce higher output power when needed. This technology works with 2-ohm radios found in many premium systems, as well as typical 4-ohm radios. A 2-ohm/4-ohm input switch is provided on the amp to match to the output impedance of the connected radio. The amp uses the input signal to automatically turn the amp on and off.
Note: A power wire is supplied in case the output of the radio is not high enough to sufficiently power the amp.
Element Ready: This Rockford Fosgate Element Ready amplifier is designed to stand up to harsh environmental conditions, with protections against dust, UV rays, corrosion, and moisture. The amp features an extruded aluminum heat sink, stainless steel hardware, sealed motor structures, and UV inhibitors, to keep the amplifier performing day in and day out. The single-sided wiring port is sealed to protect it from water intrusion, and carries an IPX6 rating. The amp can be installed on motorcycles, ATVs, and boats without worry of failure due to exposure to the elements.
Power Output: The PM100X1 amplifier has a rated power output of 60 watts x 1 at 4 ohms (CEA-2006). The dynamic power ratings are 61 watts x 1 at 4 ohms, and 109 watts x 1 at 2 ohms.
Selectable Crossover: A selectable Butterworth high-pass crossover is provided to tailor the output to the size of the connected speaker. You can set the crossover frequency to 60Hz, 80Hz, or 100Hz via the 3-way switch on the side of the amp. The crossover has a slope of 12 dB/octave.
Protection Circuits: The PM100X1 amp has protection circuitry that will shut off the amplifier in case of short circuit, over-voltage, or excessive heat.
Specifications:
- Frequency Response: 60Hz to 20kHz (+/- 1.0dB)
- Total Harmonic Distortion (THD+N): <1.0% at 4 ohms or 2 ohms
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