The TS1152 compact full-range loudspeaker offers a specially engineered, purpose-designed 15-inch LF world class driver that enables it to match the powerful output of competitive 2-way designs.
The loudspeaker’s high-frequency section comprises a 1-inch diaphragm compression driver coupled to a symmetrical (80 degrees horizontal by 60 degrees vertical) constant directivity horn. A high-power 15-inch magnet cone drivers , mounted in an optimally vented enclosure, reproduces low frequencies.
Frequency range (-6dB)   60 Hz to 20 kHz
Sensitivity ( f>80Hz)   98dB
SPL (AES)   124dB SPL 
Peak SPL   127dB SPL 
Nominal directivity ( -6dB)   80° horizontal and 60° vertical coverage 
Nominal impedance   8 Ohm 
Transducers   15" (250mm) bass driver
1" (25.4mm) compression driver
Rated Power(AES)   400W
Rated Power(PEAK)   800W
Cabinet   18mm plywood with internal reinforcements 
Crossover   Air core inductors, MKP capacitors, wirewound resistors
Finish
   BLACK
Protection grill   Acoustically transparent perforated steel,1.5mm thick
Connectors   4 x Neutrik SPEAKON NL4MP
Handles   2 integrated handles on side
Mounting on stand   Put it on ground
Rigging
   6 standard points
Dimensions (H x W x D)   660 x*468*559 mm 
Weight   Net unit weight 29.3kg
Gross weight, packed 32.3kg