U2
Shure
U2
Shure Beta 87A U2 Handheld Transmitter
This handheld is a staple among professional wireless users. It offers frequency and power lockout, programmable LCD group, and durable, all-metal housing.
Product Weight: 0.75 lb without battery
Technical Tools
PDF Documents
- Product Manual - Shure - U2 (585 KB)
Manufacturer Specs
RF Carrier Frequency Range: 554–862 MHz, depending on region
Working Range: 152.4 m (500 ft.) minimum, under typical conditions; 487.6 m (1600 ft.) line of sight
NOTE: Actual working range depends on RF signal absorption, reflection and interference
Audio Frequency Response: 50–15,000 Hz, +2 dB.
NOTE: Overall system frequency response depends on the microphone element
Gain Adjustment Range: 0 to 26 dB
Modulation: +10kHz to +100kHz deviation, depending on region; compressor-expander system with pre- and de-emphasis
RF Power Output: 10 mW maximum
Dynamic Range: >102 dB or >110dB, depending on region; A-weighted
Image Rejection: 90 dB typical
Spurious Rejection: 75 dB typical
Ultimate Quieting (ref. 45 kHz deviation): >100 dB, A-weighted
System Distortion (ref. +45 kHz deviation, 1 kHz modulation): 0.3% Total Harmonic Distortion typical
Audio Polarity
Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3 of low impedance output and the tip of the high impedance 1/4-inch output.
Power Requirements: 1.5V AA alkaline battery; Nicad optional
Battery Life (Typical): 12 hours
Operating Temperature Range: –4° to 122°F
NOTE: Battery characteristics may limit this range
Working Range: 152.4 m (500 ft.) minimum, under typical conditions; 487.6 m (1600 ft.) line of sight
NOTE: Actual working range depends on RF signal absorption, reflection and interference
Audio Frequency Response: 50–15,000 Hz, +2 dB.
NOTE: Overall system frequency response depends on the microphone element
Gain Adjustment Range: 0 to 26 dB
Modulation: +10kHz to +100kHz deviation, depending on region; compressor-expander system with pre- and de-emphasis
RF Power Output: 10 mW maximum
Dynamic Range: >102 dB or >110dB, depending on region; A-weighted
Image Rejection: 90 dB typical
Spurious Rejection: 75 dB typical
Ultimate Quieting (ref. 45 kHz deviation): >100 dB, A-weighted
System Distortion (ref. +45 kHz deviation, 1 kHz modulation): 0.3% Total Harmonic Distortion typical
Audio Polarity
Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3 of low impedance output and the tip of the high impedance 1/4-inch output.
Power Requirements: 1.5V AA alkaline battery; Nicad optional
Battery Life (Typical): 12 hours
Operating Temperature Range: –4° to 122°F
NOTE: Battery characteristics may limit this range