The Impact HD1 is a medium-duty design for the professional user who needs a tough mic at a great price! The GRSM-HD1 speaker mic is commonly used by hotel and hospitality users as well as warehousing and distribution centers and retail boxstores.

Features:
• Strong TPU coil cable
• IP54 Rated Splash proof
• Large, easy-to-use Push-to-Talk (PTT)
• 3.5mm audio accessory jack
• Two year manufacturer's warranty

Fits: GP1280, GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, HT1250, HT1250LS, HT1550, HT1550XLS, HT750, MTP700, MTX4500/4550, MTX8250, MTX8250LS, MTX850, MTX850LS, MTX9250, MTX950, PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780