Item Weight | 6.93 pounds |
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Product Dimensions | 5.8 x 12 x 17 inches |
Item model number | P400X4 |
Batteries | 1 12V batteries required. |
Is Discontinued By Manufacturer | No |
Wireless Remote | No |
Warranty | 1 year |
Height (inches) | 9 inches |
Width (inches) | 5 inches |
Weight | 11.3 Pounds |
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Rockford Fosgate P400X4 Punch 400 Watt 4 Channel Amplifier
Purchase options and add-ons
- The Punch P400X4 is a 400 watt 4-channel amplifier (2.38” x 7.76” x 11.03”) is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels
- Versatile multi-channel design is a perfect choice for virtually any vehicle (RMS Power Output: 50 Watts x 4 @ 4-Ohm OR 100 Watts x 4 @ 2-Ohm OR 200 Watts x 2 @ 4-Ohm Bridged)
- RCA inputs can accept both Hi and Low level audio signals without the need of a signal converter
- Featuring Class A/B topology, RCA pass-thru outputs, on-board Punch EQ with +18dB boost @ 45Hz, variable 12 dB/Oct Butterworth crossovers, and C.L.E.A.N. Set-up
- Famous Rockford Fosgate build quality with a full 1-year warranty
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This Item Rockford Fosgate P400X4 Punch 400 Watt 4 Channel Amplifier | Recommendations | dummy | dummy | |
Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | |
Price | $339.99$339.99 | $249.99$249.99 | -40% $139.00$139.00 List: $229.99 | $149.00$149.00 |
Delivery | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | — | Get it as soon as Monday, Apr 1 |
Customer Ratings | ||||
Sound quality | 4.5 | 4.1 | 4.7 | 4.7 |
Easy to install | 4.5 | 4.5 | 4.5 | 4.6 |
Value for money | 4.3 | 3.8 | 4.3 | 4.6 |
Sold By | Rockford Fosgate | Rockford Fosgate | STINGER | STINGER |
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Product information
Technical Details
Additional Information
ASIN | B00BF6HZ6K |
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Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #131,056 in Electronics (See Top 100 in Electronics) #288 in Car Multichannel Amplifiers |
Date First Available | March 11, 2013 |
Warranty & Support
Feedback
Product details
- Is Discontinued By Manufacturer : No
- Product Dimensions : 5.8 x 12 x 17 inches; 6.94 Pounds
- Item model number : P400X4
- Batteries : 1 12V batteries required.
- Date First Available : March 11, 2013
- Manufacturer : Rockford Fosgate
- ASIN : B00BF6HZ6K
- Customer Reviews:
Product guides and documents
Product Description
System Versatility & Unmatched Performance
P400X4
The Punch P400X4 is a 4-channel amplifier producing 100 Watts into all four channels at 2-Ohm. The P400X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels.
The stealth top mounted control panel not only provides a sleek finished look to the amp, but it also protects the vital controls.
Our custom heat sink design uses high aluminum mass where it is needed most to maximize heat transfer from the output MOSFETS to the surrounding air, keeping the circuitry cool even under high power and output demand.
- Punch 400-Watt Full-Range 4-Channel Amplifier
- Rated Power: 50 Watts x 4 @ 4-Ohm OR 100 Watts x 4 @ 2-Ohm OR 200 Watts x 2 @ 4-Ohm Bridged
- 12dB/octave Butterworth crossover
- Power Wire Gauge: 8 AWG to 4 AWG
- Speaker Wire Gauge: 8 AWG to 18 AWG
- Recommended Fuse (not included): 60 A
- Dimensions (H x W x D): 2.38" x 7.76" x 11.03"
C.L.E.A.N. Set-Up
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is our patented circuit with in/out clip LEDs to help match a source to amp and optimize output
Punch EQ
Delivers more bass where you want it most by allowing up to 18dB of boost adjustment at 45Hz
Multi-Signal Inputs
The RCA inputs of this amp can accept both Hi or Low level audio signals without the need of a signal converter
P600X4 | P400X4 | P1000X5 | |
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Customer Reviews |
4.7 out of 5 stars
507
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4.7 out of 5 stars
507
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4.6 out of 5 stars
236
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Number of Channels | 4 | 4 | 5 |
Total Power (RMS) | 600 | 400 | 1000 |
Bridgeable | Yes | Yes | Yes (front/rear channels) |
Circuit Topology Class | Class A/B | Class A/B | Class A/B + Class BD (Sub) |
Cooling | Convection | Convection | Convection |
Recommended Fuse (not included) | 100 A | 60 A | 150 A |
Dimensions (H x W x D) | 2.38" x 7.76" x 13.28" | 2.38" x 7.76" x 11.03" | 2.38" x 7.76" x 15.03" |
Rated Power | 75 Watts x 4 @ 4-Ohm | 50 Watts x 4 @ 4-Ohm | 75 Watts x 4 + 150 Watts x 1 @ 4-Ohm |
(or) | 150 Watts x 4 @ 2-Ohm | 100 Watts x 4 @ 2-Ohm | 125 Watts x 4 + 300 Watts x 1 @ 2-Ohm |
(or) | 300 Watts x 2 @ 4-Ohm Bridged | 200 Watts x 2 @ 4-Ohm Bridged | N/A + 500 Watts @ 1-Ohm |
P1000X1bd | P500X1BD | P300X1 | P1000X2 | P500X2 | P300X2 | |
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Customer Reviews |
4.7 out of 5 stars
319
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4.8 out of 5 stars
177
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4.5 out of 5 stars
149
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4.4 out of 5 stars
361
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4.4 out of 5 stars
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4.4 out of 5 stars
361
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Number of Channels | 1 | 1 | 1 | 2 | 2 | 2 |
Total Power (RMS) | 1000 | 500 | 300 | 1000 | 500 | 300 |
Bridgeable | No | No | No | Yes | Yes | Yes |
Circuit Topology Class | Class BD | Class BD | Class A/B | Class A/B | Class A/B | Class A/B |
Cooling | Convection | Convection | Convection | Convection | Convection | Convection |
Recommended Fuse (not included) | 140 A | 80 A | 50 A | 140 A | 80 A | 50 A |
Dimensions (H x W x D) | 2.38" x 7.76" x 13.28" | 2.38" x 7.76" x 11.03" | 2.38" x 7.76" x 9.86" | 2.38" x 7.76" x 15.03" | 2.38" x 7.76" x 13.28" | 2.38" x 7.76" x 9.86" |
Rated Power | 300 Watts x 1 @ 4-Ohm | 150 Watts x 1 @ 4-Ohm | 200 Watts x 1 @ 4-Ohm | 300 Watts x 2 @ 4-Ohm | 150 Watts x 2 @ 4-Ohm | 100 Watts x 2 @ 4-Ohm |
(or) | 500 Watts x 1 @ 2-Ohm | 300 Watts x 1 @ 2-Ohm | 300 Watts x 1 @ 2-Ohm | 500 Watts x 2 @ 2-Ohm | 250 Watts x 2 @ 2-Ohm | 150 Watts x 2 @ 2-Ohm |
(or) | 1000 Watts x 1 @ 1-Ohm | 500 Watts x 1 @ 1-Ohm | 1000 Watts x 1 @ 4-Ohm Bridged | 500 Watts x 1 @ 4-Ohm Bridged | 300 Watts x 1 @ 4-Ohm Bridged |
From the brand
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Built by Fanatics…For Fanatics!
Truly a line designed by fanatics for fanatics, our family of products are developed by the same people that use them in their everyday lives. It’s the Rockford Fosgate commitment of passion, power and performance built into everything we produce, connecting enthusiasts to their music and machine. Best of all, our entire line of products are designed and engineered in Tempe, AZ, USA!
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Important information
Legal Disclaimer
Full 1-year manufacturer warranty when purchased from an authorized Rockford Fosgate reseller
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the clarity, versatility, and sound quality of the electronic component amplifier. They mention that the MIDS/HIGHS are very clear and crisp sounding, and the imaging and soundstage is all there. They also appreciate the appearance, saying it looks fantastic and is really nicely done. Customers also find the instructions easy to understand and the amp is very easy to set up and operate.
AI-generated from the text of customer reviews
Customers like the quality of the amplifier. They say it's a great amp that runs all their high end speakers nice and clean. Some say it produces a good amount of power and is the best 4 channel amp they've ever owned. Overall, customers are satisfied with the quality and performance of this product.
"...but the balance and quality of vocals, instruments and highs is really good for the money. Imaging and soundstage, it's all there...." Read more
"This is a great amplifier and I've had mine since 2018. You can tune it to the way you want and to prevent clipping it has a nice led indicator...." Read more
"...It's driving (4) Alpine 6 x 9 speakers, model 6912m. More than enough power. This amp gets just as loud as the 100w Alpine...." Read more
"PUNCH p600.4 is a good amp, it produces a good amount of power and its clean sounding , high SQ...." Read more
Customers like the sound quality of the amplifier. They say it's spectacular, bright, and clean with no distortion. They also say it provides enough volume and quality that they need. Customers also say that it has good punch even at low volume and has a gray sound.
"...For most applications this will provide you with enough volume and quality that you need, unless you're trying to show off and it gets a little..." Read more
"...Perfect Boom... but not too much to interfere with the rest of the music, but it's really there. Boom...." Read more
"...technology and it appears it does a good job cause the sound is clear at high volume, my ears give out before the clear music does...." Read more
"Clean clear highs and punchy bass where it is needed. The amplifiers sound is very bright and clean with no distortion at all with the proper..." Read more
Customers find the installation process of the electronic component amplifier to be easy. They mention that the instructions are easy to understand, making it simple to set up and operate the amp. They also say that the controls are easy and stellar to use. Customers also appreciate the clean setup feature, which ensures there is no clipping. Overall, customers are happy with the ease of installation and recommend the product to others.
"...Lots of tight bass from the 6.5 and 6x9's. Clear, clean, effortless and more volume than I can handle...." Read more
"...This amp was very easy to fine tune. Nice controls...." Read more
"...The receiver was a bit confusing to operate, but the instructions were easy to understand, and i NEVER read instructions...EVER!..." Read more
"...Also very very easy to install somewhere. I have a 2014 Impala the new model sounds awesome in my car." Read more
Customers are satisfied with the appearance of the electronic component amplifier. They mention that it looks fantastic, has a small footprint, and is nicely done. They also appreciate the fit, finish, power, options, and specs.
"...I was surprised at the quality of construction, really nicely done. Things like that can tell you a lot about a company...." Read more
"...Very clean look and for being 1/2 the size of my other amp it weighs a lot more. Sounds just as good as my wife's jl 700/5 xd but a lot cheaper...." Read more
"...The amp is very high quality. It feels durable, tt looks fantastic, it has a small footprint, and it is very easy to set up...." Read more
"Love the look, gain controls and all that.. Problem is I have this amp pushing (4) 8'' RF woofers and I dont understand why in less than half..." Read more
Customers are satisfied with the cleanliness of the electronic component amplifier. They mention that it has a powerful sound, and the set up is the best.
"...Lots of tight bass from the 6.5 and 6x9's. Clear, clean, effortless and more volume than I can handle...." Read more
"...door speakers and its loud, prolly hearing damage loud, but still clean and clear with no distortion...." Read more
"...The amplifiers sound is very bright and clean with no distortion at all with the proper speakers...." Read more
"Nice quality amp. Runs all my high end speakers nice and clean." Read more
Customers are satisfied with the clarity of the electronic component amplifier. They mention that the mids and highs are very clear and crisp sounding.
"...Imaging and soundstage, it's all there. I'll be buying another amp next year for the subs, and it'll be a Rockford Fosgate...." Read more
"...speakers and its loud, prolly hearing damage loud, but still clean and clear with no distortion...." Read more
"Clean clear highs and punchy bass where it is needed...." Read more
"...The BASS has a clear DEEP sound, the MIDS/HIGHS are very clear and crisp sounding...." Read more
Customers like the controls of the electronic component amplifier. They mention that it has versatile controls, nice controls, and plenty of power. They also appreciate the feature set, options, and specs.
"...Anyway, the feature set is also quite good, and being able to double the wattage from 4 to 2 ohms is seriously impressive...." Read more
"...This amp was very easy to fine tune. Nice controls...." Read more
"2 or 4 channel selectivity. Versatile controls and plenty of power." Read more
"Love the look, gain controls and all that.. Problem is I have this amp pushing (4) 8'' RF woofers and I dont understand why in less than half..." Read more
Customers like the compactness of the electronic component amplifier. They mention that it fits nicely under the driver's seat with a small piece of 3/4" plywood under it.
"...The P400x4 is compact and heavy. I was surprised at the quality of construction, really nicely done...." Read more
"...I have installed this on a 2014 Subaru Forester. It fits nicely under driver's seat with a small piece of 3/4" plywood under...." Read more
"...It feels durable, tt looks fantastic, it has a small footprint, and it is very easy to set up...." Read more
"Rockford Fosgate is and always has been a favorite of mine. Fit, finish, power, options and specs are all number one!" Read more
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The P400x4 is compact and heavy. I was surprised at the quality of construction, really nicely done. Things like that can tell you a lot about a company. Anyway, the feature set is also quite good, and being able to double the wattage from 4 to 2 ohms is seriously impressive. And the bottom line of course is the sound. This amp is really nice sounding. I'm running a set of Pioneer components, and the amp drives them effortlessly. They don't have much low bass, so I won't comment on that, but the balance and quality of vocals, instruments and highs is really good for the money. Imaging and soundstage, it's all there. I'll be buying another amp next year for the subs, and it'll be a Rockford Fosgate.
Edit April 29/16
I changed up my system as I upgraded the wimpy stock 6x9 speakers on the back deck of my Altima with Pioneer TS-D6902R. I'm now running 2 channels of the amp to the rear speakers, and the front comps get the other 2 channels. Wow. This amp is making my jaw drop running all speakers full range. Lots of tight bass from the 6.5 and 6x9's. Clear, clean, effortless and more volume than I can handle. You really can't go wrong with these Punch amps.
This amp was very easy to fine tune. Nice controls. Parametric Bass EQ let me pick the bass frequency I wanted to boost and then a separate gain control to adjust the bass level to just how I wanted it. Perfect Boom... but not too much to interfere with the rest of the music, but it's really there. Boom.
All the harmonics that were missing with the class-D amp are back now. I listen to rock and occasionally rap/pop. This amp is perfect for that. Rock on Fosgate!
MY SPEC SHEET Claims 529 watts @ 4 ohms, thats right around 132 watts each channel@ 4 ohms.
This amp has the c.l.e.a.n technology and it appears it does a good job cause the sound is clear at high volume, my ears give out before the clear music does. This amp is pushing 4 HERTZ door speakers and its loud, prolly hearing damage loud, but still clean and clear with no distortion. Of course i dont ride around with it playing full tilt but its fun to show off to stereo enthusiats.