Platinum 300 3G
The Monitor Audio Platinum 300 3G delivers full-range three-way performance through an MPD III high-frequency transducer, a dedicated 4-inch RDT III mid-range driver and a pair of 8-inch RDT III bass drivers. Its rear-ported enclosure supports controlled low-frequency reproduction, while etched decorative inlays and a Piano Black finish complete the cabinet.
Condition scores
- Stock state New Sealed Box
- Condition score 100%, New sealed box
- Availability Sold
- Warranty 6 months
- Accessories Complete, original box
Also available new. We sell this model brand new, boxed and under full warranty, at £11,495.
See the new oneThe Monitor Audio Platinum 300 3G is a three-way floorstanding loudspeaker for high-end stereo systems and the front stage of a home cinema system. This brand-new pair comes in a factory-opened box and has never been used.
The Platinum 300 3G uses an MPD III high-frequency transducer, a dedicated 4-inch RDT III mid-range driver and 2 8-inch RDT III bass drivers. The arrangement is designed to provide extended high frequencies, natural mid-range reproduction and controlled low-frequency output across the full range.
Its rear-ported enclosure supports airflow and bass performance, while the cabinet includes etched decorative inlays. The design is intended to suit both modern and traditional interiors, with 3 available finishes: Piano Black, Piano Ebony and Pure Satin White.
The Platinum 300 3G is the top model in Monitor Audio’s Platinum Series 3G. Its driver arrangement produces a large, three-dimensional soundstage with scale and depth for stereo listening or home cinema use.
- MPD III transducer for extended, detailed high frequencies
- 4-inch RDT III mid-range driver for natural, articulate mid-range reproduction
- 2 8-inch RDT III bass drivers for powerful, controlled low-frequency output
- Three-way loudspeaker design for full-range accuracy
- Rear-ported enclosure to support bass performance
- Three-dimensional soundstage with scale and precision
- Etched decorative inlays and 3 cabinet finishes
| System Format | 3-Way |
|---|---|
| Sensitivity (2.83 Vrms @ 1m, Free-Field)​​ | 88 dB |
| Continuous Power Handling | 400 W​ |
| Port Tuning Frequency | 32 Hz |
| Frequency Response, Free-Field (-6dB)​ | 25 Hz – 60 kHz​ |
| Nominal Impedance | 4 Ohms |
| Recommended Amplifier Power​ | 200 – 800 W​ |
| Crossover Frequency | LF/MF: 650 Hz​ MF/HF: 3 kHz |
| External Dimensions | 1131.1 x 429.8 x 525 mm |
| Weight (each) | 53.6 kg |
| Stock state | New Sealed Box |
|---|---|
| Condition score | 100%, New sealed box |
| Availability | Sold |
| Warranty | 6 months |
| Accessories | Complete, original box |