Alesis RA150 Stereo Power Amplifier

Included Warranty: 1 Year-Manufacturer
The Rewards Program that Pays for Itself
  • EARN 5 to 40%
    Earn 5% in Club O Rewards on every order & up to 40% on select items.
  • FREE SHIPPING Every Order, Every Day*
    No matter how big or small, your order always ships for free.
    Dedicated customer service and early access to exclusive deals.
    Club O pays for itself, or we make up the difference
Today: $162.99
At other retailer: $309.56 Save $146.57 (47%)
Free Shipping*
ITEM# 953302
  • Delivery Estimate

    Select a Product Option to view shipping

    • Product Alerts

      Stay in the know! Choose which alerts you’d like to receive on this product.

    Alesis RA150 Stereo Power Amplifier
    • Wishlists
    • Save for Later

    The Alesis RA100 power amplifier has long been a favorite choice of musicians, hobbyists, and professionals alike.


    ITEM#: 953302

    The Alesis RA100 power amplifier has long been a favorite choice of musicians, hobbyists, and professionals alike. Now Alesis extends the RA's range throughout the recording and production spectrum with a bold new series of affordable amps in three distinct power ratings.

    With their rugged construction, striking good looks (among the first examples of Alesis' groundbreaking new approach to industrial design), and a long list of features, the new RA series will quickly find a home in project and commercial recording studios, broadcast and post-production control rooms around the world.

    Look to for huge savings on all your audio needs.

    Features include:
    • Quiet operation
    • Lower overall cost per watt
    • Crisp, clean signal
    • Designed for studio use
    • Advanced convection cooling
    • Rated output: 4 ohms/75 watts RMS per channel, 8 ohms/45 watts RMS per channel, 8 ohms/150 watts RMS, bridged mode
    • Signal to noise ratio: >105dB
    • Frequency response: 10Hz-70kHz +0, -3dB
    • Distortion: < 0.02 @ 4ohms, 20Hz-20kHz
    • Input sensitivity: +4dB for rated output
    • Crosstalk: -85dB, 1kHz
    • Output offset: +/- 50 mV, Servo controlled


    Dimensions 18.9 in. x 3.9 in. x 10.25 in.
    Warranty 1 Year-Manufacturer
    Materials Electronic components
    Model Number RA150

    Product Reviews

    Questions & Answers

    Get your product questions answered right here.
    • Why did you choose this product?

      • I have Alesis MKII monitor speakers.

    Shopping Tips & Inspiration

    Shipping & Returns


    Usually leaves our warehouse in 1-2 business days. *

    Standard Return Policy for Electronics:

    The items must arrive at our warehouse within 30 days of purchase. You must return items in their original condition to qualify for a full refund. We will issue a partial refund of up to 70 percent if returned items have been opened, used, or returned late. More Details

    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
    Standard shipping details
    Expedited shipping details

    * For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.