Edifier MR4.5 2.0 Active Studio Monitor Speakers, 42W RMS, 4.5 inch Woofer, White

With a total RMS power output of 42W and a frequency response reaching down to 60Hz, the Edifier MR4.5 2.0 active studio monitors deliver accurate, detailed sound in a compact white enclosure. The 4.5-inch woofer and 1-inch silk dome tweeter work together to produce a balanced stereo image, while the front-facing bass reflex port allows flexible placement near walls.

Overview

The MR4.5 is a 2.0 active speaker system designed for nearfield monitoring, desktop audio, or small room listening. Each speaker houses a dedicated Class D amplifier, providing 21W RMS per channel. The MDF cabinet reduces unwanted resonance, and the front volume knob plus rear bass and treble adjustments let you fine-tune the response to your space.

What stands out

• 42W total RMS power (2 x 21W) for clear, room-filling sound.
• 4.5-inch woofer and 1-inch silk dome tweeter for smooth, extended highs.
• Multiple inputs: RCA, TRS (balanced/unbalanced), and 3.5mm AUX.
• Front-facing bass reflex port for placement flexibility.
• Headphone output for private listening.
• Bass and treble controls on the rear panel for acoustic tuning.

Technical details

• Speaker type: Active studio monitor, 2.0 stereo configuration.
• Total RMS power: 42W (2 x 21W).
• Frequency response: 60Hz - 20kHz.
• Woofer: 4.5 inch (116mm); Tweeter: 1 inch (25mm) silk dome.
• Inputs: 2x RCA, 2x TRS (6.35mm), 1x AUX (3.5mm).
• Headphone output: 3.5mm stereo.
• Signal-to-noise ratio: ≥85dB(A).
• Crossover frequency: 2.2 kHz.
• Enclosure: Bass reflex, front-facing port; MDF cabinet.
• Amplifier class: D; THD+N ≤0.2%.
• Input sensitivity: +4dBu (TRS), -10dBV (RCA/AUX).
• Colour: White.

Our verdict

The MR4.5 combines pro-style connectivity and tuning options with a clean white finish, making it a versatile choice for both home studios and everyday listening.