Monitor Audio Cinergy 300
The Monitor Audio Cinergy 300 brings THX Ultra-certified scale to serious cinema rooms, pairing dual 8-inch RDT woofers with a refined MPD tweeter for deep, controlled bass, airy detail and explosive dynamics. Its muscular 3-way architecture, 122 dB peak capability and substantial construction promise a large-scale, precise presentation built for uncompromising home theatre.
WATT RECOMMENDS
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Deliciously Crispy
Sound Quality
93/100
Build Quality
94/100
Features Connectivity
80/100
Value for Money
82/100
Pros
THX Ultra-certified 3-way design with dual 8-inch woofers, MPD tweeter and 122 dB peak output indicates formidable dynamics, bass extension and high-frequency detail.
WATT RECOMMENDS
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SOUND QUALITY PERFORMANCE 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.
Assessments of Build Quality, Usability, and Overall Propositions.
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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Specifications
- THX Certification
- THX® Certified Ultra
- System Format
- 3 Way
- Sensitivity (2.83 Vrms @ 1 M)
- 90 dB
- Maximum Linear SPL**** (@1m, free space)
- Continuous 109 dB, Peak 122 dB
- Power Handling (RMS)
- Continuous 350 W, Peak* 1400 W
- Nominal Impedance
- 4 Ohms
- Minimum Impedance (20 Hz - 20 kHz)
- 3.8 Ohms
- Recommended Low Frequency Crossover Frequency
- 40 - 80 Hz (High Pass)
- Recommended Amp Requirements (RMS)
- 200 - 1400 W (IA750-2 or IA750-4)
- Bass Alignment
- Ported**
- Port Tuning Frequency
- 38 Hz**
- LF Extension, In Wall, With Port Bungs (- 6dB)
- 42 Hz
- LF Extension, In Free Space, No Port Bungs (- 6dB)
- 42 Hz
- HF Extension (-6dB)
- >30 kHz
- Drive Unit Complement
- 2 x 8" RDT Driver 2 x 2.5" C-CAM Driver 1 x MPD Transducer
- External Dimensions (Cabinet Only (H x W x D))
- 1080 x 300 x 240 mm (421/2 x 1113/16 x 97/16")
- External Dimensions (Inc Grille) (H x W x D)
- 1080 x 300 x 253.6 mm (421/2 x 1113/16 x 10")
- Max External Dimensions (Inc all Fittings) (H x W x D)
- 1132 x 438 x 253.6 mm (449/16 x 171/4 x 10")
- Weight
- 40.4 kg (88 lb 14 oz)
- Conditions
- * Calculated from a peak voltage, this is not a true power figure but useful for comparisons. ** When used in an In-Wall or On-Wall configuration it is recommended to use the fitted port bungs to control bass output. This will effectively make the product a sealed box. *** Band limited with Low pass at 200 Hz, should only be used with IA800-2C and the correct speaker profile. **** Tested with a music like noise signal with distortion and power compression remaining below audible limits.
- THX
- THX® Certified Loudspeakers. THX® and the THX® Logo are the property of THX® Ltd., registered in the U.S. and other countries.
- Warranty
- Lifetime
Manufacturer's Description — Monitor Audio
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.
Lifetime Warranty
Due to the confidence we have in the quality, robust design, and sound performance of our architectural speakers, Monitor Audio offers a lifetime warranty across our Cinergy speakers, matching or exceeding market standards.
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Authorized dealers for Monitor Audio Cinergy 300
- Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
- Acton Gate Audio — online and in-store — Cymru, United Kingdom (website)
- Advance Audio — in-store — Wichita, Kansas, United States (website)
- AES — in-store — Mitte, Hessen, Germany (website)
- Alen Audio — in-store — Extramurs, Comunidad Valenciana, Spain (website)
- Alex Audio Video — in-store — Sofia, Sofia City Province, Bulgaria (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Alpha Stereo — in-store — Plattsburgh, New York, United States (website)
- Ambiance Concert — in-store — Angers, Pays de la Loire, France (website)
and 180 more verified dealers