QSC

QSC RMX2450a 800 Watt 2 Channel Power Amplifier

4.3 (50 reviews)
4 inchXLR

Experience Professional-Grade Sound with Uncompromising Reliability The QSC RMX 2450a Power Amplifier delivers professional sound quality and rock-solid reliability, making it an ideal choice for small to mid-sized audio systems. With 800 Watts per channel, it provides ample power for various app...

$1,098.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Experience Professional-Grade Sound with Uncompromising Reliability

The QSC RMX 2450a Power Amplifier delivers professional sound quality and rock-solid reliability, making it an ideal choice for small to mid-sized audio systems. With 800 Watts per channel, it provides ample power for various applications. Equipped with versatile connectivity options and user-friendly features, the RMX 2450a ensures optimal sonic performance.

Key Features:

  • Power Output: 800 Watts per channel @ 4 ohms.
  • Inputs: XLR, 1/4 inch balanced, and barrier strip inputs.
  • Outputs: Speakon and binding post outputs.
  • Clip Limiters: User-defeatable clip limiters to reduce distortion.
  • Low-Frequency Filters: Selectable (30 Hz or 50 Hz) to protect speakers and increase headroom.
  • Toroidal Transformers: High-current transformers for greater 2-ohm power and low noise.

Specifications:

  • Brand: QSC
  • Model: RMX2450A
  • Number of Channels: 2
  • Output Power: 6.5E+2 Watts
  • Mounting Type: Surface Mount
  • Dimensions: 28 x 6 x 24 inches

Key Features

Professional quality performance - incorporates road-proven QSC designs

High-current toroidal transformers for greater 2 ohm power and low noise

Independent user-defeat able clip limiters reduce distortion

Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom

Balanced 1/4 inch TRS, XLR, and barrier strip inputs

Specifications

Brand
QSC
Model
RMX2450a
Channels
2
Power Output
800 Watt
Transformer Type
High-current toroidal
Features
Independent user-defeatable clip limiters, Selectable low-frequency filters
Low-Frequency Filter Settings
30 Hz or 50 Hz
Inputs
Balanced 1/4 inch TRS, XLR, Barrier strip

Pros & Cons

👍 Pros

  • Incorporates road-proven QSC designs, ensuring professional quality performance and reliability for diverse audio applications.
  • Equipped with high-current toroidal transformers, contributing to greater 2 ohm power delivery and notably low noise operation.
  • Features independent, user-defeatable clip limiters that effectively reduce distortion, preserving sound integrity.
  • Offers selectable low-frequency filters (30 Hz or 50 Hz), designed to protect speakers from damaging frequencies and increase amplifier headroom.
  • Provides balanced 1/4 inch TRS, XLR, and barrier strip inputs, ensuring versatile connectivity options with various audio equipment.

👎 Cons

  • While offering versatile inputs, the amplifier does not specify output connectivity options, requiring users to assume standard configurations.
  • The "800 Watt" rating is a peak or maximum power, and specific RMS power ratings per channel for various impedances are not fully detailed in the title or features.
  • The low-frequency filters, while protective, are limited to two fixed settings (30 Hz or 50 Hz), offering less fine-tuned control than variable filters.
  • The product description focuses purely on power delivery and protection, without mentioning advanced features like DSP, network control, or monitoring capabilities.
  • The amplifier's physical dimensions or weight are not provided, which could be a consideration for rack-mounting or mobile sound systems.

Frequently Asked Questions

The QSC RMX2450a incorporates road-proven QSC designs, aiming for professional quality performance and reliability.
It is equipped with high-current toroidal transformers, which contribute to greater 2 ohm power and low noise operation.
Yes, it includes independent, user-defeatable clip limiters specifically designed to reduce distortion.
Yes, the amplifier features selectable low-frequency filters (30 Hz or 50 Hz) that protect speakers and increase headroom.
The QSC RMX2450a provides versatile balanced 1/4 inch TRS, XLR, and barrier strip inputs for wide compatibility with audio equipment.