What Yamaha has to say:
The CZR Series is a range of passive loudspeakers offering high power handling and outstanding sonic performance in a portable, lightweight, yet rugged design. The CZR is ideal for a range of live performance and installed sound environments— from live bands at outdoor festivals to DJ’s in clubs—these loudspeakers deliver crystal clear, high-quality sound with impressive bass performance. For even more bottom end to round out your sound, adding CXS XLF Series passive subwoofers can extend your system’s low frequency performance dramatically down to a startling 29Hz for throbbing low frequency reproduction capability that’s sure to impress.
Speaker type 2-way Speaker, Bass-reflex Frequency range (-10dB) Passive: 43 Hz - 20 kHz, Normal (*1): 42 Hz - 20 kHz, FOH (*1): 38 Hz - 20 kHz Coverage area H90ﾟ x V60ﾟ Rotatable Constant Directivity Horn Floor Monitor Angle 50° Symmetrical Components LF 12" Cone, 3" Voice Coil, Neodymium magnet HF 2" Voice Coil, 1" Throat Compression Driver, Titanium diaphragm, Neodymium magnet Crossover 2.0 kHz Power rating NOISE Passive (EIA 426-A) 400 W, Bi-amp LF (EIA 426-A): 400W, HF (AES): 50W PGM Passive (EIA 426-A) 800 W, Bi-amp LF (EIA 426-A): 800W, HF (AES): 100W PEAK Passive (EIA 426-A) 1600 W, Bi-amp LF (EIA 426-A): 1600W, HF (AES): 200W Nominal impedance Passive: 8Ω, Bi-amp: LF: 8Ω, HF: 16Ω SPL Sensitivity (1W; 1m on axis) Passive: 97dB SPL, Bi-amp: LF: 97dB SPL, HF: 108dB SPL Peak (Calculated) Passive: 129 dB SPL, Bi-amp: LF: 129dB SPL, HF: 131dB SPL I/O connectors SpeakON NL4MP x 2 (Parallel) Handle Aluminium die-cast, Side x2 Pole socket Φ35 mm x2 (0° or -7°) Rigging M10 x 12 Dimensions W 410 mm (16.1") H 646 mm (25.4") (with rubber feet) D 394 mm (15.5") Net weight 18.0 kg (39.7 lbs) Options Bracket: UB-DZR12H/V, Cover: SPCVR-DZR12 Others Enclosure Material, Finish, Color: Plywood, Durable Polyurea coating, Black