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Monitor Audio Platinum Black Gloss PL300 II Speakers
Monitor Audio Platinum Black Gloss PL300 II Speakers 0
Monitor Audio Platinum Black Gloss PL300 II Speakers 1

Monitor Audio Platinum Black Gloss PL300 II Speakers

Model #: P300B
Monitor Audio
At a Glance
A further leap in dimension brings still greater rewards in the form of the outstanding PL300 II.
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Get to know this product.

Standing at over a metre in height and designed to move the air in larger listening environments, the PL300 II will energise your listening across an enormous sound stage, magically studded with an abundance of natural detail. Its four driver system involving twin 8" RDT II drivers, 4" TLE loaded midrange and MPD tweeter, captures all the fluid tonal complexity and dynamic richness of each performance on a truly orchestral scale.

Explore the depths and climb to the heights of your music and film favourites with an effortlessness that confirms an inescapable truth: the bigger the Platinum, the more precious the prize.


  • 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
  • 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
  • This product is now available to use with home theatre design software, The CEDIA Designer.

Additional Specifications

System Format3 Way — 4 Driver
Frequency Response (-6 dB - IEC 268-13)28 Hz — 100 kHz
Sensitivity (1W@1M)90 dB
Maximum SPL117.8 dBA (pair)
Nominal Impedance4 ohms (4.2 ohms min. @ 111 Hz)
Power Handling (RMS)300 W
Recommended Amplifier Requirements100 — 300 W
Cabinet DesignTwo HiVe II ports, Sealed mid-range TLE enclosure
Drive Unit Complement2 x 8" RDT II long-throw bass drivers, 1 x 4" RDT II mid-range driver, 1 x MPD high frequency transducer
Crossover FrequencyMF/HF: 3.4 kHz, LF/MF: 500 Hz
External Dimensions (Including Plinth and Terminals) (H x W x D))1075.4 x 432.4 x 517.83 mm (42 5/16 x 17 x 20 3/8")
External Dimensions (Including Feet and Spikes (H x W x D))1111.7 x 432.4 x 517.83 mm (43 3/4 x 17 x 20 3/8")
Weight (each)54.52 kg (120 lb 3 oz)

Misc. Specs

Color Finish NamePlatinum Black Gloss
Manufacturer Warranty5 Year
RMS Power Handling (Watts)300
Impedance4 Ohms
Maximum Power Handling (Watts)300
Number of Speakers2
WarningProposition 65 Warning for California Residents