This large Tier 3 in-ceiling loudspeaker is a three-way model featuring an RDT III bass driver, IDC II midrange driver, and IDC II tweeter with UD Waveguide II. It has a cut-out diameter of 248 mm and revolutionary Quik-Link speaker cable connector and Tri-Grip II for quick, simple, reliable, and strong installation and fitting. Key Features: Ideal for installations where high-performance acoustics are desired Three-way design Mid-frequency ‘mid-pod array’ 1 x 1" IDC II tweeter with UD Waveguide II for lifelike sound 1 x 9" RDT III bass driver 1 x 4" IDC II midrange driver Quik-Link speaker cable connector for quicker installation Tri-Grip II for easy and secure fitment "Some of the best sound I’ve heard from in-ceiling speakers, with crystalline detail". - Ecoustics British High-Fidelity Architectural Sound Redefined This high-performance, large Tier 3 in-ceiling loudspeaker is designed to deliver pristine, engaging acoustics where pristine sound quality is desired. It is a three-way model featuring the very latest acoustic technologies from Monitor Audio. This really is the last word in installed performance, featuring an RDT III bass driver, IDC II midrange driver, and IDC II tweeter with UD Waveguide II. This high-end combination ensures levels of acoustic transparency and detail found in Monitor Audio’s premium loudspeaker ranges, where much of his acoustic technology was developed. It has a cutout diameter of 212 mm and uses the Quik-Link speaker cable connector, which revolutionises the ease and speed of speaker installation. Tri-Grip has also been evolved for simple, reliable, and strong fitment. An optional square or premium grille can be used with this model. A Choice of Grilles offering Timeless Style All Creator Series in-ceiling speakers come, as standard, with white grilles. For those that want to ‘hide’ or ‘blend’ their integrated speakers with darker décor, black grilles are also available as an optional accessory in round and square designs Specifications Category Details System Format 3–Way Channels 1 Frequency Response, Installed (-6dB) 45 Hz – 35 kHz Nominal Impedance 6 ohm Minimum Impedance (20Hz to 20kHz) 4.8 Ohm @ 2 kHz Sensitivity (2.83Vrms@1m, Installed) 89 dB Maximum Peak SPL (single speaker @ 1m Z-Weighted)* 119 dB Continuous Power Handling (RMS into Nominal Impedance, Pink Noise with 6dB Crest Factor) 150 W Recommended Amplifier Power (RMS into 8 OHM, Music Signal) 60 – 225 W Drive Unit Complement 1 x 9" (229 mm) RDT III bass driver1 x 4" (102 mm) IDC II midrange driver1 x 1" (25 mm) IDC II tweeter Crossover Frequency LF/MF: 700 HzMF/HF: 3.5 kHz Mounting Depth 157 mm (63/16") Cut-Out Hole Diameter 248 mm (93/4") External Dimensions (Including Grille (H x W x D)) 278 x 278 x 161 mm (1015/16 x 1015/16 x 65/16") Weight (each) 5 kg (11 lb) Pre-Construction Bracket CL-B Cabinet Finish Matte black & Orange & Green Sold As Single Unit with CL-Round Grille (white) Corner Switch On/Off HF Switch - / 0 / + MF Switch - / 0 / + Warranty Lifetime