The TU-660M is a highly intelligible driver unit suited to public address announcement applications. Use the driver unit in combination with a suitable horn (option). Its powder-coated finish and stainless steel screws ensure the unit's weatherproof capability. Also employing a newly developed ring diaphragm ensures the unit's high frequency characteristics.

• 60W, 100 V line or 70 V line
• Applicable Horns TH-650, TH-660
• IP65 (When a driver is operated with a horn.)
• Frequency Response: 150 Hz - 8 kHz (When operated with JIS C 5504 standard horn.)