Featuring the SM35 headset microphone, QLXD14/SM35 combines professional features with simplified setup and operation.
The QLXD14/SM35 Headworn Wireless Microphone System is part of the QLX-D wireless systems family.
QLX-D® delivers outstanding wireless functionality ideal for mid-size events and installations in businesses, hotels, and government offices with conferencing spaces; schools, houses of worship, and live performance spaces.
SM35 Performance Headset Condenser Microphone:
QLXD1 Wireless Bodypack Transmitter:
QLXD4 Digital Wireless Receiver:
| QLX-D System | |
|---|---|
| RF Carrier Frequency Range | 470–937.5 MHz, Varies by Region |
| Image Rejection | >70 dB, Typical |
| Latency | |
| RF Sensitivity | -97 dBm at 10-5 BER |
| Working Range | 100 m (328 ft.) Line-of-Sight Note: Actual Range Depends on RF Signal Absorption, Reflection and Interference |
| Audio Frequency Range | 20 Hz to 20 kHz Note: Dependent on Microphone Type |
| Audio Dynamic Range (System Gain @ +10) | >120 dB, A-Weighted, Typical |
| Total Harmonic Distortion | < 0.1% (−12 dBFS Input, System Gain @ +10) |
| Polarity | Positive Pressure on Microphone Diaphragm Produces Positive Voltage on Pin 3 with Respect to Pin 1 (Ground) |
| Operating Temperature Range | -18°C (0°F) to 50°C (122°F) Note: Battery characteristics may limit this range |
| SM35 Headset Microphone | |
| Type | Electret Condenser |
| Frequency Response | 40 Hz to 20,000 Hz |
| Polar Pattern | Unidirectional (Cardioid) |
| Output Impedance@ 1 kHz | 2400 Ω |
| Audio Output Level | -59.0 dBV/Pa |
| Signal-To-Noise Ratio@ 1 kHz | 55 dB |
| Maximum SPL1000 Ω load, @ 1% THD | 153.0 dB |
| Maximum SPL1000 Ω load, @ 1% THD | 153.0 dB |
| Dynamic Range@ 1 kHz, 1000 Ω load | 114.0 dB |
| Equivalent Output NoiseTypical, A-Weighted | 39 dB |
| Power Requirements | +5 V DC (Nominal), 10 V Maximum (DC Bias) |
| Polarity | Positive Pressure on Diaphragm Produces Positive Voltage on Pin 3 with Respect to Pin 1 |
| Connector | TA4F |
| Cable | 45" (1100 mm) |
| Net Weight | 0.158 lbs (0.072 kg) |
| QLXD4 Digital Wireless Receiver | |
| Power Requirements | 12V DC @ 0.4 A, Supplied By External Power Supply (Tip Positive) |
| Housing | Steel |
| Spurious Rejection | >80 dB, Typical |
| Connector Type | BNC |
| Impedance | 50 Ω |
| Gain Adjustment Range | -18 to +42 dB in 1 dB Steps |
| Configuration 1/4 | Impedance Balanced (Tip=Audio, Ring=No Audio, Sleeve=Ground) |
| Configuration XLR | Balanced (1=Ground, 2=Audio+, 3=Audio−) |
| Impedance | 1/4" (6.35 mm): 100 Ω (50 Ω Unbalanced) XLR: 100 Ω |
| Full Scale Output | 1/4" (6.35 mm): +12 dBV XLR: LINE Setting= +18 dBV, MIC Setting=−12 dBV |
| Mic/Line Switch | 30 dB Pad |
| Phantom Power Protection | 1/4" (6.35 mm): Yes XLR: Yes |
| Network Interface | Single Port Ethernet 10/100 Mbps |
| Network Addressing Capability | DHCP or Manual IP Address |
| Maximum Ethernet Cable Length | 100 m (328 ft) |
| Dimensions (H x W x D) | 1.63" (41 mm) x 7.75" (197 mm) x 5.94" (151 mm) |
| Weight | 1.71 lbs (0.78 kg) Without Antennas |
| QLXD1 Wireless Bodypack Transmitter | |
| Mic Offset Range | 0 to 21 dB (in 3 dB Steps) |
| Battery Type | Shure SB900 Rechargeable Li-Ion or AA Batteries 1.5 V |
| Battery Runtime | @ 10 mW Shure SB900 - Up to10 Hours Alkaline - Up to 9 Hours |
| Housing | Cast Aluminum |
| Connector | 4-Pin Male Mini Connector (TA4M) |
| Configuration | Unbalanced |
| Impedance | 1 MΩ |
| Maximum Input Level | 1 kHz at 1% THD 8.5 dBV (7.5 Vpp) |
| Preamplifier Equivalent Input Noise (EIN) | System Gain Setting ≥ +20 -120 dBV, A-Weighted, Typical |
| Connector | SMA |
| Antenna Type | 1/4 Wave |
| Impedance | 50 Ω |
| Occupied Bandwidth | |
| Modulation Type | Shure Proprietary Digital |
| Power | 1 mW or 10 mW |
| Dimensions (H x W x D) | 3.38" (86 mm) x 2.57" (65 mm) x 0.92" (23 mm) |
| Weight | 0.306 lbs (0.138 kg) |
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
