PSI Audio A21-M Studio Red
Professional music gear - detailed information and where to buy
PSI Audio
A21-M Studio Red
Product Info
Article Number:
542781
Brand:
PSI Audio
Model:
A21-M Studio Red
Category:
Active Nearfield Monitors
Price:
$3,272.50
* Prices may vary. Check retailer for current pricing and availability.
The A21-M Studio Red is a serious monitor for critical listening – think mastering engineers, serious mixing, and anyone needing brutally honest sound. The completely analogue design provides a purity and detail you just don't get with DSP-laden alternatives; these are built to reveal every nuance of your audio.
Product Description
- PSI Audio A21-M Studio Red
- Active 2-Way Monitor
- Completely analogue circuitry without DSPs
- Compensated phase response for correct stereo imaging
- Speakers: 1x 210 mm / 1x 25 mm
- Power: 280 W + 45 W RMS
- Frequency range: 38 Hz - 23 kHz (-6 dB)
- Tolerance: +/-2 dB (44 Hz - 20 kHz)
- Phase tolerance: +/-45° (250 Hz - 20 kHz)
- Max. SPL (1 m): 121 dB
- Balanced XLR input
- Dimensions: 250 x 400 x 300 mm
- Weight: approx. 13 kg
PROS
- • Exceptional transient response due to analogue design, minimizing phase smearing.
- • Remarkably flat frequency response offers incredibly accurate monitoring.
- • Robust, dense MDF construction minimizes unwanted cabinet resonances.
- • Powerful bi-amplification (280W + 45W) delivers headroom and clarity.
CONS
- • Limited input options – XLR only, lacks RCA or other common connections.
- • Premium-priced, representing a significant investment for smaller studios.
- • Large physical footprint demands ample space for optimal placement.
Product Video
Key Features
Woofer Size
210 mm
Power (Watts)
280 W + 45 W RMS
Frequency Range
38 Hz - 23 kHz (-6 dB)
Connections
Balanced XLR input
Weight
approx. 13 kg
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Frequently Asked Questions
The A21-M prioritizes accuracy over correction; DSP alters the signal, while these aim to present it as-is, demanding a well-treated room.
While 121 dB SPL is impressive, room acoustics are key; these will perform best in spaces up to medium size with proper treatment.
Yes, PSI Audio utilizes a proprietary waveguide design for both the woofer and tweeter, contributing to a wider sweet spot and more consistent imaging.
