For its success a multi-channel film sound mix relies on the profound structural underlay of a properly designed sub-bass engine. Not only can it dredge frighteningly deep and dramatic frequencies from the mix, especially from HD audio soundtracks, it also adds a holistic solidity to the sound, helping you to suspend your disbelief: a vital component in the enjoyment of surround sound A/V systems. The surprisingly compact RXW-12 active subwoofer is equipped by our engineers to turn your RX system (and others) truly seismic.
Using the latest switch mode power conversion techniques, the RXW-12’s new 500 watt Class D amplifier provides enough power to control with brutal efficiency a newly designed, 12” C-CAM driver, which is equipped with a double stack (two magnet) motor system and a massive 3” voice coil.
The RXW-12’s rigid, sealed 25mm (1”) MDF enclosure is front-loaded firstly because it promotes the fastest, deepest bass down to 20Hz and secondly for ease of installation. Wherever you place it, top mounted controls are provided for the fine adjustment of level, turnover and other parameters at the sub. For added convenience, a 12V trigger provides power syncing with your AV receiver.
| Item | Value |
|---|---|
| Low Frequency Limit: | 27Hz (EQ1) 21Hz (EQ2) |
| Upper Frequency Limit: | 40 - 120Hz Variable |
| Power Output: | 500W RMS (1000W Peak) |
| Low Pass Filter Alignment: | Active 4th order 24dB/Octave (2nd stage filter) |
| Cabinet Specification: | 25mm construction and internal bracing |
| Cabinet Alignment: | sealed cabinet |
| Driver Complement: | 1 x 12" C-CAM® sub woofer driver featured triple suspension and ling throw 3" voice coil |
| External Dimensions: (H x W x D) inc. amp & driver |
340 x 340 x 410 mm (13 3/8 x 13 3/8 x 16 1/8 inch) |
| External Dimensions: (H x W x D) inc. feet & grille |
375mm (15") high with feet 430mm (16 15/16") deep inc amp & grille |
| Mains Input Voltage Specification: | 110 - 120 Vac / 220 - 240 Vac 50/60Hz |
| Individual Weight: | 22.56 Kg (49.63 lb) |
Black Oak Real Wood Veneer
Walnut Real Wood Veneer
Rosenut Real Wood Veneer
High Gloss Black Lacquer
High Gloss White Lacquer
Natural Oak Real Wood Veneer
Refined over many years by Monitor Audio, Ceramic-Coated Aluminium/Magnesium is used as a driver cone material for all our speaker designs from the mid-market models up. Originally developed by the aerospace industry for jet engine components, C-CAM's properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. C-CAM bass drivers are able to resist the bending distortion imposed by sudden and extreme bass excursions to reproduce very clean, deep and dynamic bass frequencies. Conventional cone materials are more likely to flex in operation, producing a significant level of audible distortion.

September 2010
Sound+Vision RX6 System Review
“The percussion stood out from the group’s sonic fracas as if I were hearing the music performed live in a small club.”
“At the other end of the sonic spectrum, the RX6 staggered me with its deep, dynamic bass… For a small speaker with two 6-inch woofers, the RX6’s performance is astounding.”
“The RXFX surround speakers’ timbre matching was superb — as objects flew past me during the movie’s driving scenes, the sound effects were remarkably consistent as they shifted from the front speakers to the surrounds. This characteristic helped the system produce an enveloping effect that drew me into whatever I was watching.”
“I’m surprised at the raw power of Monitor Audio’s Silver RX speakers. I’m delighted at their vivid sonic imaging. And I’m charmed by their gorgeous
looks — with or without the grilles attached. If you’re seeking a compact, do-it-all system, I doubt you can do much better than this one.”

July 2010
Bringing Home The Silver!
“The gorgeous Rosenut veneer on our samples is the best simulation of genuine rosewood I’ve ever seen."
“…the bass from the Monitor system was as impressive as any I’ve heard in my listening room.”
“The RX8’s neutral midrange lacks any identifiable coloration, and its high end sparkles with detail. It’s a lively, arresting sound, with no false emphasis anywhere.”
“...with the Silver RX speakers and sub, firing on all cylinders, orchestral soundtrack scores sounded spectacular.”
“From vocals to drum kit to piano and instrumental shadings of all varieties in between, the sound through the Monitor system was luscious.”
“No single piece of material I auditioned blew me away more than the opening 15 minutes of Star Trek (2009). Music, effects, dialogue, and bass all came together in a spectacular way. Even at the highest playback level I could stand, the sound was highly detailed and never grating.”
“…I can say that for less than half the price of a pair of PL300s alone, this Silver RX system is a very special value—and an incredible ride.”
21 August 2012 Tim Den Herder
Great sounding sub, using 2 of them with 3 Radius 250Hd's up front and monitor ceiling speakers to complete the 7.1 system. I've had 2 amplifier failures, 1 within and 1 just past the 1st year with 1 of the RXW12's. Quite disappointing, I would rate them 5 stars otherwise! I've been in the audio industry for about 25 years and have owned and sold many high end products, Monitor speakers are generally a great line!!
11 April 2012 John Sykes
I've had one of these in my Radius 7.1 MA system for maybe 3+ years and it never fails to impress, whether HD video sound or music, of all types. Visitors can't believe the sound, nor where it's coming from - until I show them the monster! My only gripe is that the diecast model cars I sit on it often get bounced off onto the carpet. My fault ... obviously.
10 December 2011 Tim Greig
I've had the RXW12 for over 3 years as part of a Radius surround sound system. It's magnificent. It make the small Radius speakers sound huge. Just watching Frozen Planet on TV was a totally immersive experience