Audio Technica ESW-T4101 ESW Bodypack Transmitter Microphone

Lightweight wireless body-pack transmitter with built-in high-quality microphone. Compact, sweat-resistant cH-type connectors for use with a variety of Audio-Technica microphones. Can only be used with a cH-series lapel or headmic.

FEATURES:

• Built-in high-quality microphone
• Transmitter neck strap included
• Lightweight design
• Compact, sweat-resistant cH-type connectors for use with a variety of Audio-Technica microphones
• Four pin locking connector
• 25 Hours Battery Life*

SPECIFICATIONS:

• Frequency Response (internal microphone): 20 to 20,000 Hz
• Modulation Mode:
  • A-field: π / 2-BPSK
  • B-field: π / 4-QPSK
• Input Connection:
  • Four pin locking connector
  • Pin 1: GND
  • Pin 2: MIC DETECTION
  • Pin 3: MIC INPUT
  • Pin 4: DC BIAS +5 V
• Battery: Lithium-ion battery LI-220 (included)
• Battery Life: 25 hours (*This varies depending on usage conditions.)
• Operating Temperature Range: -5◦ C to +45◦ C (23◦ F to 113◦ F)
• Dimensions: 56 mm (2.2″) x 23.5 mm (0.93″) x 90 mm (3.5″) (W x D x H)
• Weight (with battery): 112.3 g (3.96 oz)

LI-220 Lithium Ion Battery

• Type: Lithium ion
• Output Voltage: 3.6 V DC
• Capacitance: 2,200 mAh
• Dimensions: 39.7 mm (1.6″) x 56.7 mm (2.2″) x 13.5 mm (0.53″) (W x D x H)
• Weight: 49 g (1.7 oz)