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Rockford Punch P1000X1bd

Mono subwoofer amplifier — 1,000 watts RMS x 1 at 1 ohm

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  • Rockford Punch P1000X1bd

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  • Rockford Punch P1000X1bd

  • Rockford Punch P1000X1bd

  • Rockford Punch P1000X1bd

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Our take on the Rockford Punch P1000X1bd

by Buck Pomerantz
Rockford Fosgate

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Big power for your sub or sub system

Rockford Fosgate's Punch P1000X1bd subwoofer amp can produce up to 1000 watts RMS, giving you plenty of clean power for your rhythm track. And the P1000X1bd can drive a 1-ohm load, so you can power multiple subs without any trouble. A low-pass filter keeps the high notes away from your sub, while a subsonic filter helps you rein in runaway boom. The Punch bass boost lets you add some of that boom back into the mix when it's needed.

Easy to set for optimum performance

P300X2 control panel shown as example

P300X2 control panel shown as example

Once again, Rockford Fosgate steps away from the crowd with their C.L.E.A.N. technology (Calibrated Level Eliminates Audible Noise) — a setup system that ensures your music will sound as clean and powerful as possible. It works like this: play the setup tone on the included test CD, adjust the receiver volume until a red clip light on the amp goes out, then turn the amp gain up until a blue light comes on. It's that simple — your amplifier is now set to match your receiver's output. When your receiver reaches maximum clean volume, you'll get maximum clean power from your Punch amp. At quiet listening levels, you'll hear less background noise and more of your music.

Keeps an eye on things while playing

If that blue light turns solid red while you're playing music, the amp's telling you that your source is distorting and you should turn it down, or risk damage to your gear. The optional PLC2 remote level control also doubles as a clip indicator, so you can see from the front seat if your music's clipping. The amp's built-in computer keeps tabs on the output current, ensuring that plunging speaker impedances (they change during play) or even a short circuit won't hurt anything.

Maintaining coolness raises efficiency and lowers distortion

Rockford Fosgate's Dynamic Thermal Management system uses forced air to dissipate heat evenly across the amp and out through the high-mass heatsink, efficiently drawing heat away from vital internal parts. Their proprietary MEHSA cooling process maximizes the heat transfer from the MOSFET devices to the heatsink, allowing the heat to escape more readily, so the transistors stay cooler and work better.

Rockford Fosgate P1000X1bd

                                                 P1000X1bd connection panel with input clip light

See more info on this item

Highlights:

  • mono subwoofer amplifier
  • 300 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms)
  • 1000 watts RMS x 1 at 1 ohm
  • CEA-2006 compliant
Features:
  • variable low-pass filter filter (50-250 Hz, 12 dB/octave)
  • selectable subsonic filter (28Hz, 12 dB/octave)
  • variable PEQ2 bass boost (0-18 dB at 45 Hz)
  • C.L.E.A.N. gain setup system includes test tone CD
  • test tones also available as MP3 download from Amazon On Demand, Rhapsody, Google Play, and Spotify, labeled "3sixty.3 setup disc" (Punch amps and the 3sixty.3 use the same test tone tracks for setup)
  • Class-BD amplifier design
  • frequency response: 20-250 Hz
  • Dynamic Thermal Management and MEHSA MOSFET cooling systems
  • MOSFET power and output stages
  • preamp inputs and outputs
  • speaker-level inputs (speaker wire to RCA adapter required)
  • signal-sensing turn-on with speaker-level inputs eliminate need for remote turn-on lead
More Info:
  • optional PLC2 wired remote level control with clip light available
  • 4-gauge power and ground leads and an 140-amp fuse recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 140-amp in-line fuse between the distribution block and the amplifier is recommended
  • 13-3/8"W x 2-7/16"H x 8-13/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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300 x 1
Peak Power Output (Watts x Channels)
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N/A
Power at 2 Ohms (Watts x Channels)
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600 x 1
Bridged Power (Watts x Channels)
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N/A
Minimum Impedance Bridged
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N/A
Minimum Impedance Unbridged
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1
Best Frequency Response
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20-250 Hz
THD at Rated RMS Power
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1%
Signal to Noise Ratio
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80 dB
Input Voltage
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14.4v
Features
Amplifier Class
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BD
Low-Pass Crossover Frequency
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50-250 Hz
Low-Pass Slope (dB/octave)
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12 dB/octave
High-Pass Crossover Frequency
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N/A
High-Pass Slope (dB/octave)
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N/A
Bass Boost
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0-18 dB
Bass Boost Frequency
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45 Hz
Fan Cooled
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No
Fuse Rating
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140
Speaker Level Inputs
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RCA
Preamp Outputs
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1 pair
Width (inches)
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13-3/8
Height (inches)
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2-7/16
Depth (inches)
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8-13/16
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • Mono subwoofer amplifier
  • Four 1-1/2" Self-tapping screws
  • 2.5mm Allen wrench
  • Quick setup instructions
  • Certificate of Performance
  • Setup/Manual disc

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections

Features

Class bd Design: Rockford Fosgate bd topology is a patented design, integrating a technology that is more efficient than typical class A/B amps, and has lower distortion than typical class D designs. Punch bd amplifiers are 75-80% efficient, while class A/B amps are typically less than 50% efficient. This means, more power from your amplifier with less drain on your vehicles electrical and charging system.

CEA-2006 Compliant: CEA-2006 is a system of testing and measurement methods for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured with 1% or less Total Harmonic Distortion plus noise (THD+N) over a frequency range of 20 Hz to 20 kHz (for full range amplifiers). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4Ω. CEA-2006 allows consumers to compare car amplifiers and receivers on an equal basis. Using CEA-2006 criteria, the Rockford Fosgate P1000X1bd is rated as follows:

  • Power Output:
    • 4Ω: 300 watts x 1-channel
    • 2Ω: 600 watts x 1-channel
    • 1Ω: 1000 watts x 1-channel
  • Signal to Noise Ratio: 80 dBA (100 dB at rated power)

Cast Aluminum Heatsink: The cast aluminum heatsink dissipates heat generated by the amplifier's circuitry. The inherent advantage of casting provides a 30% cooling improvement over conventional extrusion heatsink designs.

MEHSA³ (Maximum Efficiency Heat Sink Application-3rd Generation): MEHSA is a Rockford Fosgate proprietary process that increases the heat transfer from the MOSFET devices to the heatsink. The multi-layer insulated metal MEHSA substrate operates with minimal thermal resistance, spreading heat both downward and outward to quickly dissipate heat from each device across the heatsink. This allows greater power output, enhanced thermal stability, and maximum reliability.

NOMAD (NOn-Multiplying Advanced Decision): NOMAD is an intelligent protection circuit that uses an analog computer to make real time decisions regarding temperature, voltage, current and impedance. The amplifier is protected without limiting sound output unless needed.

DSM (Discrete Surface Mount): High speed robotics are used in the manufacturing process to place 1% tolerance parts and large board traces. DSM improves the efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.

CLEAN Set-Up: Rockford's integrated level setting technology, CLEAN (Calibrated Level Eliminates Audible Noise), replaces sophisticated test equipment with input/output clip LEDs, allowing you to match the source unit's output to the amp's gain, and optimize the amp's output. The input clip indicator works in conjunction with the audio source volume, illuminating red when the source reaches it's clipping point. The output clip indicator works in conjunction with the input level dial on the amp, illuminating the appropriate color depending on the audio content used for the setup.

Power and Protection LEDs: The LEDs are located on top of the amplifier. A blue Power LED illuminates when the amplifier is turned on. A red Thermal LED illuminates if the amplifier overheats. The yellow Protect LED illuminates if a short circuit or too low an impedance is detected at the speaker connections. When any of the protection circuits engage, the amp automatically shuts down until the problem is corrected.

Balanced Differential Inputs: Differential inputs eliminate noise picked up by signal cables by measuring the voltage of both the (+) and (-) input signal, then subtracting the voltage common to both conductors (noise), resulting in only the clean signal entering the amplifier.

Infrasonic Filter: The infrasonic filter is fixed at 28 Hz with a slope of 12dB/octave. This high-pass filter is designed to prevent frequencies below the audio range from being applied to the subwoofer, or reproduced by the amplifier. This improves your subwoofer performance and power handling, particularly in vented enclosures.

Controls

Input Level: To accommodate the varying range of signal levels from today's factory and aftermarket radios, the input level is adjustable from 150mV to 12V.

Crossover: The amplifier's internal low-pass crossover has a 12 dB/octave slope. The crossover point is variable from 50 Hz to 250 Hz. The crossover cannot be bypassed (it's not a full range amp).

Punch EQ: The Punch EQ bass boost circuit is continuously variable from 0 to +18 dB, centered at 45 Hz.

Remote Punch Level: When activated, this switch allows the use of a optional remote Punch Level Controller (PLC2).

Infrasonic Filter: A switch allows you to turn the infrasonic filter off if you prefer.

Connections

Power Connections: The power and ground terminals are nickel-plated captive c-clamp wire connectors and will accommodate up to 4-gauge wire. An external 140-amp fuse (not included) must be installed on the power wire. The remote turn-on terminal will accept up to 12-gauge wire. A Phillips or flat-head screwdriver (not supplied) is required to tighten/loosen the terminals.

Speaker Connections: The two speaker outputs are internally wired in parallel, making it easy to connect two subwoofers. The speaker terminals are also nickel-plated captive c-clamps and will accept up to 8-gauge wire. A Phillips or flat-head screwdriver (not supplied) is required to tighten/loosen the terminals.

Signal Input: The RCA inputs will accept either a line-level or speaker-level input. A speaker-level signal can be connected using a Speaker Wire to RCA adapter (sold separately). When using a speaker-level input signal, the auto turn-on feature is active and the remote turn-on terminal becomes a 12 volt output to turn on/off up to two additional amplifiers or other components.

Line Level Output: The amplifier has a pair of RCA line level pass-thru outputs to feed another amplifier. The pass-thru output is passive (the same signal present at the amp's input) and the amp's crossover has no effect on the signal.

Punch Level Control (PLC): An RJ-45 jack is provided for connecting an optional wired remote PLC2 (item number 575PLC2, sold separately), allowing remote control of the output level of the amplifier. A second RJ-45 jack is the PLC output, used to daisy-chain additional amplifiers controlled by a single remote.

Note: Previous model PEQ, Punch Bass, and Para-Punch remotes will not work with this amp.

 

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Rockford Punch P1000X1bd Reviews

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5 out of 5

love it

Written By joey, glendale az on Sunday, May 11, 2014
 
i have the p1000.1bd paired with 2 12inch alpine type r duel 4 ohm voice coils and they slam and crisp i wont mention the name of my last amp but it wasent 1000 rms like it said this rockford amp makes the speakers 2 times as loud 2 thumbs up for sure and really easy to set up i totally recommend this product to anyone that needs this kind of powers
Pros:
easy set up / 1000 watts of tru power
Cons:
For the price, it's a little expensive but well worth it
Was this review helpful?    Yes | No
 
5 out of 5

P1000X1BD

Written By Shelts, Durant, OK on Wednesday, October 09, 2013
 
This amp is amazing! I have these paired with 2 P3D4-12's wire in parallel to a 1 ohm load and it rocks. What I love about Rockford is their power rating. Sure other manufacturers say 1000 watts but 99% of the time that rating is PEAK. Rockford's 1000 watt amps show RMS power. Spec sheet from manufacturer shows 1365 w @ 1 ohm RMS. WOW. My set up left me speechless! Set up was extremely easy. I would highly recommend this amp to anyone wanting some serious subwoofer flexing in the back of your car or truck. My Tahoe rocks now! Rockford will never let you down.
Pros:
Easy set up. PLC 2.
Cons:
NA
8 out of 8 people found this helpful
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1 question already asked

I recently bought this amp and during instillation I am certain one of two things happened. I either A, fried the amp, or B fried the fuse in the amp. Problem is I can't seem to locate the fuse in the amp, I was wondering if someone could tell me where I'm supposed to be looking for this mystery fuse?, thank you [ Ross  Mar 19, 2014 ]
1 answer
  • If you purchased the product from Crutchfield, feel free to contact our Tech Support team. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Jeff Staff  Mar 20, 2014 ]

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For a more in-depth review and enhanced detailed information on the Rockford Punch P1000X1bd, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_575P1KX1BD/Rockford-Punch-P1000X1bd.html ).