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Alpine X-A90M

900W RMS X-Series Class-D Monoblock 2 ohm Stable Amplifier

Alpine
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• 600 Watts RMS x 4 @ 4 ohms
• 900 Watts RMS x 4 @ 2 ohms
• CEA-2006 Compliant
• Low Pass and High Pass Filters
• 0 - 12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 11-3/4" W x 7-5/8" L x 2" H

Learn more about the xa90m

We apologize

This item has been discontinued

Description


Alpine brand icon

Authorized dealer

General Features:

  • Alpine X-Series X-A90M
  • Class-D Full Range 2 ohm Stable Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohms: 600 watts x 1 chan.
    • 2 ohms: 900 watts x 1 chan.
    • 1 ohm: ------------N/A------------
  • Total RMS output: 900 watts
  • CEA-2006 Compliant Amplifier
  • Hi-Res Audio compatible
  • Wired remote level control, Alpine RUX-KNOB.2, available
  • Included plastic covers available to offer a brushed aluminum finish around the edges
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • Mono channel operation
  • Speaker-level (high-level) inputs
  • Preamp Outputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity
    • High level: .4 - 10V
    • Low level: .1 - 4V
  • Frequency Response: 8 - 400
  • Total Harmonic Distortion (THD): .07%
  • Signal to Noise Ratio: >107dB
  • Variable low-pass filter: 50 - 400Hz, -24dB/octave
  • Variable subsonic filter: 8 - 40Hz, -24dB/octave
  • Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
  • Fuse Rating: 30A x 3
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 11-3/4"W x 7-5/8"L x 2"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


PROP 65 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

Alpine X-A90M owner’s manual

Product history:

Alpine X-A90M thumbnail
(newest, current model)
Alpine PDX-M6 thumbnail
(previous model, replaced by Alpine X-A90M)
Alpine PDX-1.600 thumbnail
(previous model, replaced by Alpine PDX-M6)

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
600 watts x 1 channel
RMS Power @ 2 ohms
900 watts x 1 channel
Amplifier Specifications
Series
X Series
Amplifier Class
D
Number of Channels
1 - Mono
Total RMS Power Output
900 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
Not Bridgeable
THD at Rated RMS Power
.07%
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Subsonic
Low-Pass Crossover Frequency
50 - 400 Hz
Subsonic Filter
8 - 40 Hz
Signal-to-Noise Ratio
107 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
30A x 3 
Total Fuse Rating
90
Strappable
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
Yes
What is in the box?
Paperwork
User manual
Warranty/Registration card
Serial number card
Power certification
WITB: Amplifiers
Amplifier
Mounting screws (4)
Two spare fuses
High-level input wiring harness w/ molex connector
Adhesive brand badge
Allen wrenches (2)
Other Accessory #1
4 plastic panels
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

X-A90M

Weight:

10.00lbs

Internal SKU:

xa90m

Internal Product ID:

133713

Customer Ratings & Reviews



5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Great product with a great price

This amp will deliver everything on price and performance. Amazing clearity!

By BradH on March 13, 2018

26

found this helpful.

I love this amplifier

I have this Alpine amp paired up with the JL Audio CS212LG-TW1 PowerWedge receiving bass signals from an AidioControl LC2i off the factory Harmon Kardon system in my Mercedes CLA 250. The amp is amazing and runs very cool compared to older amplifier technology. I have the bass control knob in the cabin to change the bass level for music from rock, to pop, to rap, to DJ Magic Mike (which is it's own category). This setup can can damage your hearing permanently if not used in moderation! I will be 50 in 4 months, grew up on rap, and competed in car stereo contests when I was younger. I can verify this amp is super clean, with PLENTY of powaer. Spend the money because you get what you pay for.

By Anonymous on May 22, 2019

27

found this helpful.

AWESOME!!!

I have this pushing 1 Kicker Q-Class 41VL7122 and wow! Nice crisp thumping power, it pushes the lows very deep and super clean, supreme amp right here.

By James on August 20, 2021 Checkmark Icon Verified purchase

22

found this helpful.

By Michael on February 17, 2024 Checkmark Icon Verified purchase

6

found this helpful.

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