Motorola AARMN4038, Heavy Duty Microphone for CDM Series Mobiles Quantity in Basket: None Code: AARMN4038 Price: $69.30 Shipping Weight: 3.00 pounds Quantity: Motorola AARMN4038 Heavy Duty Microphone for CDM750, CDM1250, CDM1250LS+, CDM1550, and CDM1550LS+.