Overview

Although the twenty5.21i is the most compact model in the new range, the sound is anything but small, as it has the impact you’d expect from a much larger subwoofer, thanks to PMC’s Advanced Transmission Line technology. The speaker is ideal for small to medium-sized listening environments where space is limited, but you still want detailed bass, ultra-realistic mids and delicate highs with maximum musicality. Equally at home on a stand or on a shelf, the twenty5 21i offers maximum flexibility for placement, and is also an excellent choice for effects speakers in an immersive sound system.

PMC’s aerodynamic Laminair vent takes audio performance to the next level by applying the aerodynamic ATL principles of high-performance engineering used from F1 to Le Mans, creating an even smoother laminar airflow at the transmission line output.

ATL designs involve high-speed, pressurized air movement. Reducing turbulence and drag at the ATL vent reduces resistance, increases efficiency, eliminates air noise, and delivers bass with supreme timing and the widest possible dynamic range.

Rectangular black ventilation grill with 6 parallel vertical slits and 2 metal handles on the sides

Highlights

Faster, cleaner bass and better defined sound
Turbulence is eliminated, increasing the efficiency of the ATL
Eliminates air noise, leaving only the music

Technical Specifications

Acoustic System

Type: 2-way
Speakers:
- Tweeter: 19 mm SONOMEX fabric soft dome (ferrofluid-cooled)
- Midrange/woofer: 140 mm G-Weave cone with cast alloy frame
Aerodynamic laminar vent technology
Acoustic transmission line length: 1.72 m