Panasonic RP-HT21 Lightweight Headphones with XBS Port

• Lightweight, open-air design headphones weigh just 1.2 oz. without cable
• XBS port for increased bass response and neodymium magnets for full-range sound
• Wide headband and foam-cushioned earphones for added listening comfort
• Large-diameter driver units 30mm (1-3/16")
• Frequency response: 16 Hz - 22 kHz 

Their large, 30 mm diaphragms feature Neodymium magnets, offering full-bodied sound free of the discomfort that can sometimes accompany earbud-style earphones. The foam-cushioned phones also feature a wide headband, for added listening comfort.

The phones are equipped with Panasonic's XBS acoustic ports, which naturally emphasize bass frequencies for rich sound from nearly any source.

Specs

• Driver Unit Diameter: 30
• Frequency Response: 16 Hz - 22 kHz
• Weight: 1.2 Oz. (Without Cord)
• XBS: Yes