- 4" Polypropylene-Coated Woofer - 0.75" Silk-Dome Tweeter - 50W Amplifier - All-Wood Cabinet - Custom-Tuned Rear Port - Specially Designed Waveguide - Bluetooth, 1/4" TRS, and RCA Inputs - Front-Panel Stereo Headphone Output - Includes Connection Cables Mackie CR4-XBT Specs: Studio Monitor Monitor Type Active 2-Way Enclosure Bass-Reflex Power Rating 50 W Peak Drivers LF Driver: 1 x 4" / 10.16 cm Polypropylene Cone HF Driver: 1 x 0.75" / 1.91 cm Silk Dome Amplification 1 x Full-Range Amplifier: Class-D50 W Peak Performance Frequency Range 60 Hz to 20 kHz (at -10 dB) 65 Hz to 20 kHz (at -3 dB) Maximum Sound Pressure Level (SPL) 100 dB Phase Adjustment None Signal Processing EQ None Filters None Parametric EQ None Crossover Crossover Frequency 3 kHz Connectivity Audio I/O 2 x 1/4" TRS Balanced/Unbalanced Female Analog Input 1 x 2RCA Unbalanced Female Analog Input 2 x Push Terminal Unbalanced Female Analog Output 1 x 1/8" / 3.5 mm TRS Unbalanced Female Analog Output Power AC Input Power 100 to 240 VAC, 50/60 Hz Power Consumption 60 W Environmental Operating Temperature 32 to 104°F / 0 to 40°C General Enclosure Material MDF Mounting Points None Dimensions (W x H x D) 6.1 x 8.9 x 8.3" / 15.5 x 22.6 x 21.1 cm (Each) Weight 10.1 lb / 4.6 kg (Pair) Packaging Info Package Weight 11.61 lb Box Dimensions (LxWxH) 16.8 x 11 x 9" #Mackie #CR4XBT #MackieCR4XBT #4นิ้ว #Monitors #Speaker #ลำโพง #Bluetooth #บลูทูธ