NEW: The BLX4 receiver and the BLX handheld transmitter with a PG58 mic capsule. The BLX transmitter features a an On/Off push-button switch, and a single bi-color LED battery indicator. The BLX4 is a half-rack sized wireless receiver built into a rugged, ABS chassis. It features advanced capabilities usually unavailable in wireless systems in this price range. The PG58 capsule is a popular mid-priced cardioid dynamic microphone capsule.
Bandwidth: H10: 542–572mHz

Features:

• Analog or digital: Digital
• Frequency response: 50Hz–15kHz
• Dynamic range: 100dB
• Line of sight: 300'

Receiver 

• Channels: 12
• Bandwidth: H10: 542–572mHz
• Rackmountable: No
• Width: 2.
• Height: 4.3"
• Depth: .82"
• Weight: 2.6 oz.

Transmitter 

• Type: Handheld
• # of transmitters 1
• Capsule: Dynamic
• Polar pattern: Cardioid
• Battery type: AA x 2
• Battery runtime: Up to 14 hr. 
• Width: Not specified
• Height: Not specified
• Weight: Not specified