Skip to main content
48-Month Financing*
Add To Wish List
QSC

QSC RMX2450a Power Amplifier

849.99 $849.99
OR
18 $18.00/month^ for 48 months
0% interest for 48 months* through 3/28/2021 with Musician's Friend Platinum card. 48 equal monthly payments required. ^*
Get DetailsAbout Special Financing Offers
Loyalty Points Icon
Loyalty Points Icon
Earn 6,800 reward points
($68.00 in credit)
Inventory Msg Check Mark Inventory Msg Exclamation In Checkout Promo Inventory Msg Download Icon
In Stock & Ready to Ship
Most orders placed before noon ET ship same day (except weekends and holidays).
  • Free Shipping
  • Top Rated
  • Flexible Financing
  • Lowest Price
Product Warranties Icon Product Warranties Icon

Gold Coverage Protection

Protect your gear

Chevron Right Icon
Overview

Power and punch in two rack spaces.

The RMXa Series amplifiers from QSC offer true professional-quality performance at an affordable price. The 2-rackspace model RMX2450a features output power of 450 watts per channel at 8 ohms. It has a compact chassis less than 16" deep. RMXa amplifiers include a comprehensive set of features including XLR and 1/4" balanced inputs, Speakon and binding post outposts for convenient connectivity. User-defeatable clip limiters and selectable low-frequency filters optimize sonic performance.

The RMX amplifiers are among the most reliable products in pro audio. It takes some real effort to blow these things up. The RMX design has had a long time to be tested in the marketplace and the results are in. This amp is a beast. Long hours, long roads, hot environments, indoors, outdoors, you name it. The RMX amps are among the best built, most reliable power sources you will find.

Features

  • Compact size
  • High-current toroidal transformers
  • Independent user-defeatable clip limiters
  • Selectable low-frequency
  • Balanced 1/4" (6.3 mm) TRS, XLR, and barrier strip inputs
  • Touch-proof binding post and Neutrik Speakon outputs
  • Independent DC and thermal overload protection

Order today and have ampiece of gear you can really rely on.

Specs

RMX2450a Power Amplifier Specifications:

Stereo Mode (both channels driven):
  • 8Î/ FTC 20 Hz - 20 kHz / 0.1% THD: 450W
  • 8Î/ EIA 1 kHz / 0.1% THD: 500W
  • 4Î/ FTC 20 Hz - 20 kHz / 0.1% THD: 650W
  • 4Î/ EIA 1 kHz / 0.1% THD: 750W
  • 2Î/ FTC 20 Hz - 20 kHz / 1% THD: --
  • 2Î/ EIA 1 kHz / 1% THD: 1200W
Bridge-Mono Mode
  • 8Î/ FTC 20 Hz - 20 kHz / 0.1% THD: 1300W
  • 8Î/ EIA 1 kHz / 0.1% THD: 1500W
  • 4Î/ EIA 1 kHz / 1% THD: 2400
  • Signal to Noise (20 - 20 kHz) 8Î: > -100 dB
  • Distortion (SMPTE-IM): <0.02%
  • Input Sensitivity at 8Î: 1.23V (+4.0 dBu)
  • Voltage Gain: 50X (34dB)
  • Output Circuitry: 2-tier Class H
  • Power Requirements: 6.3A
  • Typical, 1/8 power pink noise at 4Î*: 15.6A
  • Supplied Plug Type, 100/120V: NEMA 5-15
  • Supplied Plug Type, 230V: CEE7/7
  • Weight: 44.5lb
  • Frequency Response : 20 Hz - 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bypassed / 8Î)Damping Factor (1 kHz and below)
  • Input Impedance: 10K ohms unbalanced, 20K ohms balanced
  • Input Clipping: 10 Vrms (+22 dBu)
  • Cooling: Continuously variable speed fan, back-to-front air flow
  • Connectors (each channel): Input: Active balanced / 3-pin Euro-style detachable terminal block and XLR (pin 2+)
  • Controls: Front: AC switch / Ch. 1 & 2 gain knobs
  • Rear: 10-position DIP switch
  • Indicators: Power-on: Green LED / Signal: Yellow LED (1 per channel) / Clip: Red LED (1 per channel) | Protect: Red LED
  • Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
  • Load Protection: Turn-on/off muting / AC coupling (850, 1450) / Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel
  • Dimensions: 3.5" (8.9 cm) tall / 2 rack spaces
  • Power Requirements: 100, 120, 230 VAC, 50 - 60 Hz (factory configured)
Q&A
Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 5 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
gear adviser
Want to customize your own bundle?
Our Gear Advisers are ready to help.
Our contact center is currently closed.
Request a Callback
Proactive Advisor Support Chat