PL300 II technology
  • 2 x 8" RDT®II long throw bass drivers
  • 4" RDT II mid-range driver
  • MPD (Micro Pleated Diaphragm) high frequency transducer designed specifically for Platinum II
  • 2 x HiVe®II ports
  • New patented 'DCF' (Dynamic Coupling Filter) mechanism for more natural sound
  • Bespoke speaker terminals and footings
  • Underhung, edge-wound voice coils: greater driver efficiency and lifelike dynamics, less distortion
  • Bolt through drivers: clearer sound and cleaner aesthetics
  • Anti-Resonance Composite (ARC) mid-range housings and baffle components: reduced cabinet vibration, purer sound quality
  • TLE (Tapered Line Enclosure) sealed internal enclosure for mid-range drivers: greater sound accuracy and reduced cabinet vibration
  • Hand-upholstered front baffle: the very highest quality Inglestone leather supplied by Andrew Muirhead
  • Individual driver grilles
  • Finish options: Santos Rosewood or Ebony natural wood veneers with clear gloss piano lacquer, or Piano black gloss lacquer



System Format

3 Way - 4 Driver

Frequency Response (-6dB - IEC 268-13)

28Hz - 100kHz

Sensitivity (1W@1M)


Maximum S.P.L.

117.8dBA (pair)

Nominal Impedance

4Ω (4.2Ω min. @ 111Hz)

Power Handling (RMS)


Recommended Amplifier Requirements (RMS)

100 - 300W

Cabinet Design

Two HiVe®II ports
Sealed mid-range TLE enclosure

Drive Unit Compliment

2 x 8" RDT®II long-throw bass drivers
1 x 4" RDT II mid-range driver
1 x MPD high frequency transducer

Crossover Frequency

MF/HF: 3.4kHz
LF/MF: 500Hz

External Dimensions (Inc. plinth) (H x W x D)

1113 x 410 x 470mm
(4313/16 x 161/8 x 181/2”)

External Dimensions (Inc. feet & spikes) (H x W x D)

1158 x 410 x 470mm
(459/16 x 161/8 x 181/2”)

Weight (each)

54.52kg (120lb)

Professional reviews

Soundstage! Ultra

Platinum II

April 2017

PL300 II given 'Reviewers’ Choice Award' by SoundStage

Thanks to Aron Garrecht and SoundStage! Ultra for this full length review of our PL300 II from our award-winning Platinum II range.

'The speaker’s fit and finish are exquisite, its build quality is exemplary, and the science behind its design and development is as beyond reproach as its sound'.

Read the full review

Stereophile Magazine

Platinum II

March 2017

PL300 II named in Stereophile's Recommended Components 2017

We are proud to announce that our PL300 II has made Stereophile Magazine's 2017 Recommended Components list. See the full list here >

When Robert Deutsch reviewed the PL300 II in October 2016, he said "Monitor Audio has always been known for the solid quality and value of their speakers; with the Platinum PL300 II, they've hit one out of the park. It's my new reference".

Read the full review

Hifi Pig

PL300 II

January 2017

Hifi Pig review our award-winning PL300 II

'I can’t praise these loudspeakers highly enough'

'A real tour de force!'

- Hifi Pig

Read the full review

What Hi-Fi? Sound and Vision

Platinum II

October 2016

What Hi-Fi? review our award-winning PL300 II

'We're full of admiration for these refined-sounding, beautifully built floorstanders'

'The sound stage is wide, deep and populated with precisely focused instruments'

'We can’t think of a rival with a cleaner, more detailed presentation, or one that is as refined'

- What Hi-Fi?

Read the full review

Stereophile Magazine

PL300 II

October 2016

PL300 II must-read review by Stereophile magazine

Robert Deutsch of Stereophile magazine, recently reviewed our award-winning PL300 II floorstanding speaker in their November 2016 issue.

Please see a few quotes from the review below - 

The sound was so good that I had difficulty maintaining the requisite Stereophile reviewer’s poker face.

The speakers are simply gorgeous, with a quality of finish easily up to that of fine furniture.”

Monitor Audio has always been known for the solid quality and value of their speakers; with the Platinum PL300 II, they’ve hit one out of the park. It’s my new reference.

Read the full review

What Hi-Fi? Sound and Vision

Platinum II

January 2016

Platinum II - Stars of CES 2016

"Monitor Audio's current Platinum series has been around for the best part of 15 years, and at CES 2016, the British loudspeaker manufacturer officially launched an all-new Series II.

The revised range includes new standmount and floorstanding models, all of which feature a brand-new MPD (Micro Pleated Diaphragm) tweeter and improved crossover design."

Read the full review

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