Quick view Carson HP30 Headphones Dynamic stereo headphones with "super-bass" response. In-line volume control. Soft cushion cups. Adjustable slider headband. 40mm diameter speakers. Impedance 32 ohms. Frequency response 20-20 kHz. 12 ft/4m cable with 3.5mm stereo Jack. Also includes... MSRP: Was: Now: $36.95 Add to Cart Compare