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Power Acoustik STAX 1250/2 (STAX1250/2)

1250W Max, 2-Channel Class A/B STAX Series Amplifier

4.0

(2 reviews)

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
General Features
  • STAX 2-Channel Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 220 watts x 2 chan.
    • 2 ohms: 280 watts x 2 chan.
    • Bridged, 4 ohms: 560 watts x 1 chan.
  • Max power output: 1250 watts
  • MOSFET power supply
  • Bass Remote Details (Wired remote bass level control included
  • LED power and protect indicators
  • Bass Boost/EQ details (0-12 dB bass boost at 45 Hz)
  • 2/1 channel operation
  • Preamp RCA outputs
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heatsink for maximum heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Variable high-pass filter (50-500 Hz, 24 dB/octave)
  • Variable low-pass filter (30-250 Hz, 24 dB/octave)
  • Subsonic Filter (15-50 Hz)
  • Frequency response: 10-30,000 Hz
  • Dimensions: 12-3/8"L x 9-5/8"W x 2-1/8"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
For more info, check out the STAX1250/2 blog post.
Power Specifications - Full Range Channels
RMS Power @ 4 ohms220 watts x 2 channels
RMS Power @ 2 ohms280 watts x 2 channels
RMS Power @ 1 ohmN/A
Bridged RMS Power560 watts x 1 channel
Peak Power Output625 watts x 2 channels
Amplifier Specifications
Amplifier ClassAB
Number of Channels2
Total Peak Power Output1250 watts
Total RMS Power Output560 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.02%
Speaker Level InputsNo
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency50 - 500 Hz
Low-Pass Crossover Frequency30 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio97 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating20A x 2 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for Power Acoustik STAX 1250/2 (STAX1250/2)
Average Customer Rating is 4.0 out of 5 stars:
4.0
based on 2 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
.
50%
4 star:
.
0%
3 star:
.
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50%
2 star:
.
0%
1 star:
.
0%
what's this?
Average Attributes Rating:
Durability
5.0
Value
5.0
Features
4.5
Design
5.0
Usability
5.0
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
September 22, 2010 good amps over all
Review by
timothy from minneapolis, MN
Overall
Durability
Value
Features
Design
Usability
i like the way these amps look and stacking feature is very handy. I think they are a little less power than they say they are but not bad over all.
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February 9, 2010 great amp
Review by
jrock from Questa, New Mexico
Overall
Durability
Value
Features
Design
Usability
I got this amp from sonix about two months ago and i've been super happy with it. I have it hooked up to two 12" squares with DVC , each wired to 2 ohms and it pumps. i cracked my windsheild after a week and broke my tail light in the back window. i've tried tuning it for different styles of music and it works for everything from hard hitting hip hop to classical's smooth yet powerful bass. its a great amp if you have a little bit of money and i would rec. to anyone who like quality. 5/5
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Amplifier Wiring Kits
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Speaker Wire
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12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install
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StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction
$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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Directed Silver Series Audio Interconnect Cable ** LOW PRICE **Directed Silver Series Audio Interconnect Cable ** LOW PRICE **
20 ft. of 2-Channel Silver Series RCA Interconnect Cable with Twisted Pair Construction
$3.99
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16.5 ft. of 2-Channel Kicker Interconnects with twisted pair conductors, gold plated contacts, and hyper-flex technology for easy installation!
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StreetWires ZN9 Series Interconnect CableStreetWires ZN9 Series Interconnect Cable
16.4 ft. of 2-Channel ZN9 Cable with Rhodium-plated connectors, twisted-pair construction, and the the highest quality of signal transfer.
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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StreetWires FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing
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Kicker DB1448 (09DB1448) - Top of the Line!Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs
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Professional Installation for your Car Power AmplifierProfessional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.
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Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components
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AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
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AutoSound 2000 CD-103AutoSound 2000 CD-103
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Product Summary

Manufacturer: Power Acoustik
Model number: STAX1250/2
UPC: 709483030862
Weight: 8.50 lbs
Internal SKU: stax12502
Internal product ID: 17509
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Customer Testimonial

Prompt and efficient service, order arrived on time. Great price. Happy customer.

- RC from FL

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