The twenty5.21 is proof that great things come in small packages. Don’t let its compact size fool you; this loudspeaker is nothing less than remarkable. Its complex ATL and Laminair  vent mean that you get speed, weight and transparency, with the greatest bass extension of any loudspeaker this size.

Whether on a shelf or its performance-enhancing stand, the twenty5.21 excels with all types of music. Its articulate mid-range, clear, open highs and profound bass mean it can fill rooms both medium and small with astonishing ease.


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    • twenty5.21
    • January '17
    • twenty5.21
    • February '17

Customer Reviews

"Having bought a pair of Twenty5 22 speakers for my main system I have been so pleased with the sound and presence of the speakers that I have bought a pair of Tweny5 21 speakers for my second system."
Mr R, Derby
"Les PMC twenty5-21 sont des enceintes très musicales. A recommander"
"I was recommended PMC by Marc from Fanthorpes in Hull. His graphic description of their attributes and clarity of sound prompted me to look PMC up online. The general opinion and reviews seemed to point to the Twenty5 21 speakers as exactly right for my requirements. They were delivered on Friday, and immediately I could hear that there was a huge improvement in sound on my previous setup. I'm very pleased with the sound, look and size - they're exactly what I hoped they would be. I very much feel that Marc has found me the speakers that will give me a huge amount of pleasure for many years to come."
Mrs S, Salisbury
"These twenty5 21s make up the final part of my PMC 5.2 setup. It seems a crime to use these as surrounds as they are truly brilliant speakers. Before mounting them as rears I tried them in place of my twenty5 23s and they were every bit as good. Amazing bass for there size, probably faster and punchier than my 23s but as to be expected the 23s go deeper. Adding a sub to the 21s made a very nice setup indeed. Typically great PMC speakers but wasted as surrounds, they make great surrounds but are capable of much more. If I could have a second system one day I know what speakers I'll use."
"The sound quality is brilliant for my sort of listening and the "look" is great. The twenty5's do not take up a massive amount of space in my medium sized study!"
Mr A, Bishops Stortford
"Sounds Great !!"
Mr I, Warrington


ATL Tecnology

PMC’s unique (Advanced Transmission Line) enclosures have taken loudspeaker design to the highest level, using sophisticated cabinet construction, proprietary drive units, and patented absorption materials and techniques. The benefits are enormous compared to the relatively simple sealed and ported designs currently available elsewhere. Find out more

ATL Tecnology