Monster® MPA 3250 SS Signature Series Three Channel Power Amp
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41  (1 Review)
PID: 2186
Product Line
Monster Power

Monster® MPA 3250 SS Signature Series Three Channel Power Amp Details

Technologically and aesthetically matched to other Monster Power components, these power amplifiers are powerful. Attractive. Reliable. Advanced. And backed by the Monster brand name and reputation--with our hallmark higher-grade components and high-end design. Based on the success of our Home Theatre PowerCenters, the 3250 was constructed to deliver enough dedicated, ultra high performance amplification necessary to reproduce movies and music sound as accurately as the artists intended you to hear it.

Each channel comes equipped with independent power supplies and toroidal transformers for more efficient transmission of power. Large capacitance filter caps provide the kind of reserves needed to prevent power sags and low-frequency clipping when all channels are driven. The advanced circuitry uses Monster's unique "push/pull" technology on the input/output stage to deliver ultra-wide bandwidth performance for best reproduction of high-resolution 192kHz DVD-A and SACD formats. Finally, with dedicated support for three channels, the 3250 can save you money and space, driving the left, right and center channels of your home theater system.

Created in part by Richard Marsh--one of the world's leading designers and developers of high performance consumer electronics--and conceived, designed, tested and used by the Head Monster himself, these units were built by the experts for those who demand the best.


  • Monster Mirrored Amplifier Technology™ ensures low distortion, greater clarity even at the highest power levels.
  • Laboratory-grade digital power meters monitor actual power output and dynamic range.
  • 250 watts per channel, 750 watts total with all channels driven.
  • 400 continuous watts, all channels driven into 4 Ohms, instantaneous peak power all channels driven greater than 300 watts per channel/8 Ohms, 500 watts/4 Ohms.
  • Balanced complimentary push-pull input stage delivers ultra-wide bandwidth performance for best reproduction of high-resolution 192kHz DVD-A and SACD formats.
  • High Current MOSFET output transistors for instantaneous current and maximum transient impact.
  • Separate transformers and power supplies on each channel prevents power sag when all channels driven
  • On/Off Triggers enable one remote control to operate entire system
  • Triple shielded extra long Monster PowerLine 400 power cord rack ears for front and rear included.
  • Embossed plate with The Head Monster, Noel Lee’s signature

Monster® MPA 3250 SS Signature Series Three Channel Power Amp Specifications

Power Output   Stereo 250W @ 8 Ohm
20Hz to 20kHz All Channels Driven     400W @ 4 Ohm
    Bridged Mono NA
Current Capacity Per Channel     32A
Slew Rate     45v per uSec
Frequency Response     20 Hz- 20KHz +/- 0.1 dB (-3dB @ 300Khz)
THD - 20Hz to 20kHz @ 8 Ohm / 250w     < 0.05%
IMD     0.06%
Dynamic Headroom     1.1dB
Interchannel Crosstalk     > 60 dB down from 20Hz to 20 KHz
Input Impedance   Unbalanced 24K Ohm
    Balanced 50K Ohm
Input Sensitivity     1.55Vrms for 250W 8 Ohm Output
Gain     29dB
Bandwidth     300 Khz (-3dB)
S/N Ratio     110 dB A-Weight
Damping Factor     500
DC Trigger Inputs     3-30V AC/DC
DC Trigger Output     12V DC 100mA
Power Requirements   Standby 150W
    Full Power 900W @ 250W/Ch 8 Ohm
      1500W @ 400W/Ch 4 Ohm
Dimensions Width Without Rack Ears 17in / 434mm
    With Rack Ears: 19in / 484mm
  Height With Feet: 7.75in / 193.5mm
    Without Feet: 7in / 177mms
  Depth   20.25in / 514mm
Weight   Net Weight: 92lbs / 41kg
    Shipping Weight: 105.8lbs / 48kg

Monster® MPA 3250 SS Signature Series Three Channel Power Amp Reviews

41  (1 Review)
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0 of 1 customers found this review helpful
  Lots of clean Power
10/19/2011 - Posted By mik from Connecticut, USA
  • Durable
  • Clean Sound
  • Easy To Set Up
  • Good Power
  • Very Sensitive To noise or daisy chained equipment
Best Uses: Home Theater, Larger Rooms, Driving Power Hungry speakers (vintage Infinities)  Describe Yourself: Practical, Tech Savvy, Professional, Senior Engineer  
Product Review: Plenty of clean power especially for old vintage power hungry speakers such as the Quantum series from the late 70\'s early 80\'s . Although it sounds great I\'ve communicated with others that had amp trip out problems with zero input. I found hookup and daisy chaining of equipment to cause some of the problems. Using the ground terminals to ground equpiment together aliviated some of the problem. There is no service manual per-say seeing this amp is now out of production. I was able to obtain a schematic for this unit but that\'s it.Overall this amp delivers some serious power. I like the individual amp sections. They do not interfere with each other when one is driving hard and the others not. Service & Delivery Comments: No service manual. Extremely heavy at 92lbs. Was this review helpful to you? Yes/No
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Product Q & A


The full manufacturer's warranty from Monster is only valid when the Monster MPA 3250 SS Signature Series Three Channel Power Amp is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Monster MPA 3250 SS Signature Series Three Channel Power Amp. The Monster MPA 3250 SS Signature Series Three Channel Power Amp may be referred to by the following terms: MPA3250SS.

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