Specifications:

• Brand: TOA
• Model: TU-660
• Applicable Horns: TH-650, TH-660
• Rated Input: 60 W
• Rated Impedance: 16 Ω
• Sensitivity: 110 dB (1 W, 1 m) (When operated with JIS C 5504 standard horn.)
• Frequency Response: 150 Hz – 8 kHz (When operated with JIS C 5504 standard horn.)
• Dust/Water Protection: IP65 (When a driver is operated with a horn.)
• Horn Coupling: 1 – 3/8 18 threads (inch screw)
• Polarity: Hot-: Black, Com-: White
• Operating Temperature: -20 ℃ to 55 ℃ (-4 ã‚œF to 131 ã‚œF) (no condensation)
• Finish: Flange-: Aluminum, gray, powder coating; Rear cover-: ABS resin, gray; Screws-: Stainless steel; Speaker cable-: Polyvinyl chloride insulated cabtyre cable (6 mm (0.24″) in diameter, 600 mm (23.62″) in length)
• Dimensions: φ139 × 109 (D) mm (φ5.47″ × 4.29″)
• Weight: 2 kg (4.41 lb)
• Option: Driver unit cover: UC-200A
• Matching transformer: TM-30T, TM-60T