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Pyramid PB717X 1,000-Watt 2-Channel Bridgeable Amplifier

4.0 out of 5 stars 437 customer reviews
| 33 answered questions

Price: $54.84 & FREE Shipping. Details
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  • 1000 Watts Total System Power Output
  • MOSFET Pulse Width Modulated Power Supply
  • Built-In Variable Low/High/Subwoofer Crossover
  • High/Low Level Input
  • 2 Ohm Stereo Stable
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Product Description

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Product Description

Pyramid prides itself on solid car audio without the huge price tag. The PB717X is no exception, featuring two MOSFET-powered channels of 50 watts RMS (75 watts at 2 ohms), bridgeable for subwoofers, and selectable high- and low-pass crossover modes for different applications.

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Pyramid prides itself on solid car audio without the huge price tag. The PB717X is no exception, featuring two MOSFET-powered channels of 50 watts RMS (75 watts at 2 ohms), bridgeable for subwoofers, and selectable high- and low-pass crossover modes for different applications.

Solid car audio without the huge price tag. Click to enlarge.

View output diagram.

View input diagram.

Bridgeable
Delivers two channels or bridge mono for subwoofers. The PB171X cranks out 2 x 50 watts RMS at 4 ohms and is 2-ohm stereo stable for 75 watts x 2.

Selectable Crossover Modes
The built-in crossover can be set to full for normal full-range systems, or low-pass/high-pass for delivering specific frequencies to components or subwoofers. Low-pass and high-pass frequency controls are provided for setting the crossover frequencies.

Input Versatility
The PB717X includes both high-level and low-level inputs, so you're covered with the various types of car stereos. The high-level inputs take direct speaker wire leads, while the low-level use RCA plugs.

To further match the amplifier to your receiver/head unit, a variable input level control is provided to dial in the perfect setting without distortion.

Bass Boost
Subwoofer fans rejoice: The PB717X features a bass boost of up to 18 dB, for added rumble.

MOSFET Power
The MOSFET pulse width modulated power supply helps provide excellent sound quality, minimal distortion, and efficient power handling.

Comprehensive Protection
High-performance audio requires a lot of power, and things can get hot quickly. Like any solid car amplifier, the PB717X features protective circuits. Overload and thermal indicators let you know they've activated and shut off the amp. In the event of a short circuit, power protection is provided in the form of easily replaceable fuses.

PB717X Specs

RMS power @ 4 ohms: 50 watts x 2
RMS power @ 2 ohms: 75 watts x 2
Maximum power output: 500 watts x 2
Input impedance/sensitivity (low-level): 10k ohms / 200 mV
Input impedance/sensitivity (high-level): 100 ohms / 5V
Signal/Noise ratio: 90 dB
THD: Less than 0.04%
Frequency response: 15-30 kHz
Dimensions: 9.84 x 10.03 x 1.96 inches (L x W x H)
Power supply voltage: 14.4V DC negative ground
Maximum current draw: 30A

What's in the Box


Pyramid PB717X power amplifier and user's manual.


Product Information

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Technical Details

Item Weight 6 pounds
Product Dimensions 11.9 x 13.5 x 3.4 inches
Item model number PB717X
Wireless Remote No
Warranty ONE YEAR
Height (inches) 3.5 inches
Width (inches) 11.4 inches
Weight 8.8 Pounds

Technical Specification

Additional Information

ASIN B000E432TI
Customer Reviews
4.0 out of 5 stars 437 customer reviews

4.0 out of 5 stars
Best Sellers Rank #134 in Electronics > Car Electronics > Car Audio > Amplifiers > Multichannel Amplifiers
Shipping Weight 6.2 pounds (View shipping rates and policies)
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Sean F. Peterson on June 21, 2009
Package Type: Frustration-Free Packaging Verified Purchase
It does everything it's supposed to. I hooked up two 12" kickers to the existing stock system in my Jeep and they pound. They're so loud I had to turn the base all the way down. It's a good cheap buy for a 2 channel set up, it rocks.....5 Stars...
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By John on February 3, 2011
Package Type: Frustration-Free Packaging Verified Purchase
Wow, what can i say about this product. A lot of my friends were like, "dude this thing would last a month", well i am happy to say it has and more. My subs sound really good with this amp, I really didn't expect this thing to do a whole lot, but it hits hard. Buy this and I promise you wont regret it.
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Purchased the amp last week for 44 bucks with free shipping and arrived on the given arrival date as what amazon stated. Installed it yesterday to my technics 4 speaker subwoofer lying around, 2 speakers where both wired in parallel so in all both speakers in right and left input has 8 ohms and total of 16 ohms for all 4 speakers each speakers is rated at 300 watts. I thought this would be an overkill for my amp, upon completing all hookups I fired it up boy it still sounds good played several hours of music amp still stayed cool to touch despite my speaker setup. If you're looking for a decent but cheap amp to fill some low end bass that your current setup lacks then is right for you but if you are looking for some pounding and rattling bass you might spend more on high end amp.

Update:
Have the unit for almost 5 months now without any neg issues. Just a sort of advice when installing this unit is don't cheap on the connection. Every connection you do must be soldered with the amp kit you're using. Solder with the wire connectors from the battery to its fuse holder, ground wire and towards the amp itself. Tighten the connections properly and remember to have some good grounding point by sanding into bare metal where you tap your ground wire(grounding wire must not be more than 2 feet length), it saves some headache in the future we're talking high current flow here so any loose and on and off contacts can cause short circuits it can either damage your amp or some electronic components in your car. Lastly the casing of this amp has some hole or perforation at the bottom which helps dissipates heat so don't block it leave a little clearance there by putting some washers/small bolts or any alternative materials you have in hand for elevation so that when you screw the amp to the surface it will not just lay flat obstructing those openings which helps in keeping the amp cool.
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When i got the package i was shocked by the size of this thing. it was HUGE and HEAVY. It's not an issue for me since all i look for is performance.As for the performance, i think it's pretty good. I don't have a decent subwoofer yet ( will buy 1 soon), but i hooked up a supposed 300 watt roadmaster speaker to this amp to see if i hooked up everything right. it was pounding like crazy and speaker got blown the *** up in 5 minutes. i was happy to see that because when i read a review saying that it was way under power of what it claimed to be, i was a little bit skeptical. Nevertheless, it's a 40 dollars amp. Cheapest in its price range. Even if it's only 500 rms i still think it's a heck of a deal. The amp has a lot of tweaks that i have yet to explore. I'm not Native English speaker so i hope you understand and find this review helpful :). Peace!

EDIT: it's currently pushing 1 12'' kicker cvx!!!!!! it bangs! you have to adjust the amp to get the max power out of it! i'm double happy with this amp right now! no overheatings or random shut downs! awesome awesome awesome!!!
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This amp is great for the price, i bought this about a month ago and im using with my two 12" MTX terminators and they bump hard and it hasnt shut off or overheated and ive had it on for over a two hour trip and they bumped the whole way i rteccomend this amp to anyone who wants a good hit in your car for a very smnall price tag!
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Package Type: Frustration-Free Packaging Verified Purchase
Hey I love it for the price you can beat it and it pushes my 2 twelve alpine elite platinum I have them in my rodeo and I installed it by my self and our hits hard enough that my wife knows I'm coming from a block away! it hits harder then my cousins professionally installed 2 ten kicker comp with a 250 amp and another factory 10 in his charger super bee now I looked this amp up and know it's not a true 1000 watt amp more like 250 maybe 300 but hey it hits hard enough to where my eyeballs vibrate if I have it up to loud so yea get this amp and by the way I got the cheapest kit at Wal-Mart for it and it's enough for this setup but if I had to buy another one I would buy the boss amp kit from here that one has a fuse protector btw my setup is 2 alpine twelve's in open box two 6x9 three way alpine closed box and two 4 in alpine door speakers with a alpine deck from like 97 or 98 oh and the amp hasn't gotten hot at all or tripped out not once and I have my amp kinda covered under the seat so if you are thinking of buying do it I am 100% real buyer bad reviews are either installed wrong or expecting top quality amp for that price do I think a better certified amp would hit better yes do I wanna pay more than 200 for one no am I happy with what I got more than happy and satisfied my cousin paid 800 for his set up me 100 my 12 speakers were practically given to me long story
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