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Monitor Audio Cinergy 300
The largest speaker in the range, providing the biggest sound. The Monitor Audio Cinergy 300 uses our latest mid-range driver technology for the purest possible audio.
Features at a glance:
Unique isolation options | Rotatable mid-tweeter array | Removable port bungs I Suited to custom-built mounting behind an acoustically transparent screen | 1 x MPD Transducer | 2 x 8" RDT Driver I 2 x 2.5" C-CAM Driver | Magnetic grilles | THX® Certified
True cinema sound at home
Whether it’s mounted with the unique isolation options included or even used as a floorstander, with professional installation as part of a Cinergy system, you’ll have world-class cinema sound in your own home. Far superior to your local mainstream cinema, which is normally designed for larger groups to deliver the best median performance for everybody. Cinergy, on the other hand, is a cinema built around you and those closest to you.
Spotlight: Majik House
Monitor Audio shines a spotlight on smart home technology experts Majik House, focusing on The Annexe, an immersive cinema Cinergy demonstration suite that utilises Monitor Audio's Cinergy speaker system, showing their clients what's achievable in a high-end home cinema.
Dealers selling Monitor Audio near you
Monitor Audio Cinergy 300 — THX-certified floorstander built for scale and control
The Cinergy 300 stakes its claim on cinematic power and refined resolution: dual 8" RDT woofers, twin 2.5" C-CAM mids and an MPD transducer combine in a purpose-built 3-way, THX® Certified Ultra cabinet to deliver deep, authoritative bass and pin-sharp top-end detail. Expect a low-frequency foundation that reaches into the low 40Hz region with high SPL capability (continuous 109dB, peak 122dB) and the muscular dynamics to drive large rooms without strain.
Midrange clarity and vocal weight come from dedicated C-CAM drivers and a coherent crossover, producing articulate imaging and strong instrument separation. The MPD high-frequency device extends past 30kHz for excellent air and micro-detail while remaining controlled and free of cone breakup. High sensitivity (90dB) and hefty power handling (350W RMS, peak up to 1400W) make the Cinergy 300 easy to pair with powerful amplifiers for dramatic dynamics and slam.
At roughly 40.4kg, the cabinet engineering, bracing and THX tuning underline premium build quality and long-term reliability. Suited to audiophiles and home theaters seeking a full-range, single-tower solution, the Cinergy 300 blends cinematic authority with high-resolution performance — a compelling choice for systems where power, clarity and refinement matter.
Pros
- Huge, authoritative low end with high SPL headroom thanks to dual 8" RDT woofers and ported tuning (38Hz) — effectively extends to ~42Hz and handles loud playback without compression.
- Clear, well-textured midrange from dedicated 2.5" C-CAM drivers and 3-way topology, delivering strong vocal presence and coherent crossover integration.
- Exceptional treble detail and air from the MPD transducer with HF extension beyond 30kHz, providing refined micro-detail and controlled sparkle.
Sound Quality
93/100
Bass
95/100
Dual 8" RDT woofers in a ported cabinet with a 38 Hz tuning and -6dB LF extension ~42 Hz indicate authoritative low-end extension and output. THX Certified Ultra and very high power handling (350 W continuous, peak to 1400 W) support tight, controlled bass at high SPLs. Expect room-shaking capability without immediate need for a sub in many setups.
Mid
92/100
Two 2.5" C-CAM mid drivers and a dedicated 3-way design point to highly coherent, well-textured midrange and strong vocal presence. THX tuning and high sensitivity (90 dB) suggest clarity and authority through the crossover region. Monitor Audio's mid driver pedigree supports accurate timbre and weight.
Treble
94/100
MPD transducer with HF extension >30 kHz promises exceptional detail, air and top-end refinement without typical cone breakup. Combined with C-CAM drivers and careful 3-way crossover design, the top octave should be extended and resolving. Expect plenty of sparkle and micro-detail while remaining controlled.
Soundstage Imaging
92/100
THX Ultra tuning, discrete mid drivers, and MPD high-frequency device favor wide, layered presentation with stable image focus. The 3-way architecture and steady directivity control imply good depth and instrument separation. Placement sensitivity is moderate given ported alignment and cabinet size.
Dynamics
94/100
Very high continuous and peak SPL ratings plus recommended amps up to 1400 W indicate outstanding macro-dynamic headroom and slam. THX Ultra certification emphasizes transient control and low distortion at high output. The combination of efficient sensitivity and robust power handling points to excellent micro- and macro-dynamics.
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Build Quality
94/100
Substantial mass (40.4 kg) and THX certification imply serious cabinet engineering, bracing and resonance control. RDT and C-CAM drivers with an MPD transducer reflect high-grade driver materials and crossover implementation. Lifetime warranty further underscores confidence in materials and construction.
Features Connectivity
80/100
Passive floorstanding design — baseline passive tower score applied. No DSP/app/streaming expected or penalized; terminals and extras not specified in provided data so no positive adjustments were applied.
Value for Money
82/100
At the listed price point (~$4,000) the Cinergy 300 offers high-end driver tech (MPD, C-CAM, dual 8" woofers), THX Ultra certification and exceptional power handling that justify a premium. Without reviewer comparisons, value is judged from features/specs; strong performance and build tilt it toward good-to-very-good value for the price.
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