System with QLXD2/BETA58A Handheld Transmitter with Beta58A microphone head and a QLXD4 receiver.

RF Carrier Frequency Range

470–937.5 MHz, varies by region (See Frequency Range and Output Power table)

Working Range

100 m ( 328 ft)

Note: Actual range depends on RF signal absorption, reflection and interference.Note: Actual range depends on RF signal absorption, reflection and interference.

RF Tuning Step Size

25 kHz, varies by region

Image Rejection

>70 dB, typical

RF Sensitivity

-97 dBm at 10-5 BER

Latency

<2.9 ms

Audio Frequency Response

QLXD1 20 – 20 kHz (±1 dB)

QLXD2 Note: Dependent on microphone type

Audio Dynamic Range

System Gain @ +10

>120 dB, A-weighted, typical

Total Harmonic Distortion

−12 dBFS input, System Gain @ +10

<0.1%

System Audio Polarity

Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output.

Operating Temperature Range

-18°C (0°F) to 50°C (122°F)

Note: Battery characteristics may limit this range.

Storage Temperature Range

-29°C (-20°F) to 74°C (165°F)

Note: Battery characteristics may limit this range.

QLXD2

Mic Offset Range

0 to 21 dB (in 3 dB steps)

Battery Type

Shure SB900B Rechargeable Li-Ion or AA batteries 1.5 V

Dimensions

269 mm x 51 mm (10.6 in. x 2.0 in.) L x Dia.

Weight

307 g (12.1 oz.), without batteries

Housing

Machined aluminum

Audio Input

Configuration

Unbalanced

Maximum Input Level

1 kHz at 1% THD

145 dB SPL (SM58), typical

Note: Dependent on microphone type

RF Output

Antenna Type

Integrated Single Band Helical

Occupied Bandwidth

<200 kHz

Modulation Type

Shure proprietary digital

Power

1 mW or 10 mW

See Frequency Range and Output Power table, varies by region