The Lectrosonics DSQD 4-Channel Wireless Receiver with Dante Broadcast Kit from B&H supplements the half-rack receiver with four DSSM water-resistant bodypack transmitters along with a four-bay transmitter/battery charger and power supply for a complete production-ready package.
The Lectrosonics DSQD packs four wideband receivers, with analog XLR and Dante digital outputs, into a compact, half-rack chassis that fits into a cart or even a bag. Part of the D-Squared Series and powered by 4th generation Lectrosonics digital technology, the unit delivers the company's high-standards of reliability, flexibility, and studio-quality audio to professionals in TV, broadcast, and film, as well as houses of worship, theater, and concert venues.
Audio fidelity is outstanding with a flat 20 Hz to 20 kHz frequency response, wide dynamic range, 24-bit/48 kHz digital audio encoding, digital transmission, and ultra-low latency. The DSQD tunes continuously across the extended UHF band from 470 to 608 MHz. It features tracking filters that stay centered on the selected frequency, ensuring excellent RF performance even in difficult environments. Three selectable diversity modes can be employed, depending on the needs of the application. The DSQD is optimized for the DBu bodypack and DHu handheld digital transmitters, but is also backward-compatible with any Digital Hybrid wireless transmitter. Three levels of AES 256-CTR encryption are available when using digital transmitters.
The streamlined menu structure makes the unit easy to use and quick to set up with auto-scan and two-way IR sync. A large, high-resolution backlit LCD and large membrane switches provide an intuitive interface that is highly visible in daylight or dimly lit conditions. The DSQD can be programmed and monitored over its USB or Ethernet connections using the Wireless Designer software for Mac/Windows (free download available separately). The software allows for offline full-system frequency coordination, greatly reducing setup time.
Antenna ports on the rear panel accept input from remote antennas. The antenna "loop-thru" cascade outputs use an internal multi-coupler, enabling you to run multiple receivers from a single pair of antennas without the need for additional components. The DSQD includes half the rack hardware needed to mount two units together, yielding 8 channels in 1RU. If you're rackmounting only a single DSQD, the RMPM2T-1 mounting kit (available separately) is required.
- 1.4 ms latency, transmitter input to analog output, using a digital transmitter
- <2.9 ms latency, transmitter input to analog output, using any Digital Hybrid Wireless transmitter
- THD+N of 0.05% at 1 kHz, -10 dBFS
- 108 dB of dynamic range
Ratio: Two receiver channels can be paired as one receiver. Both channels are set on the same frequency. One receiver in the pair is fixed on Antenna A, while the other receiver is fixed on Antenna B. The DSQD automatically uses whichever receiver’s RF signal quality is better.
Frequency: Two receiver channels are paired as one receiver. Each channel is set to a different frequency. The DSQD automatically uses whichever receiver’s RF signal quality is better.
Shared: There are an unlimited number of shared keys available. Once generated by the DSQD and transferred to the transmitter, the encryption key is available to be shared (synced) by the transmitter with other transmitters/receivers via the IR port.
Universal: This is the most convenient encryption option available. All encryption-capable Lectrosonics transmitters and receivers contain the Universal Key. The key does not have to be generated by the DSQD. Simply set a Lectrosonics encryption-capable transmitter and the DSQD to Universal, and the encryption is in place.
- Digital talkback capability when used with talkback-enabled transmitters
- Stereo headphone jack with retractable headphone volume knob for audio monitoring per channel
- Antenna bias power can be engaged in the menu, and front-panel LEDs show the status
- Serial input and output ports for connecting receivers to each other for data sharing
- Adding a pair of ALP690 active antennas increases the range of your system and offers increased protection against interference
Ideal for theater, TV, film, sports, and broadcast applications where concealment is desired and water-resistance is required, the 470 to 607 MHz Lectrosonics DSSM Micro Digital Wireless Transmitter is the company's smallest transmitter with an IP57 rating and dock-charging capability. The DSSM offers an extensive feature set packed into an exceptionally rugged and lightweight, solid-aluminum housing, and is compatible with all Lectrosonics digital receivers, including the DSR, DSR4, DSQD, DCR822, M2Ra, and DCHR. The servo bias input circuitry can accommodate an electret lavalier mic, a dynamic mic, or a line-level input via the locking, 3-pin LEMO connector.
The DSSM includes specially developed, high-efficiency circuitry for extended operating time on the rechargeable LB-50 battery. RF power selections are offered at 10, 25, and 50mW (D2 mode) and at 4mW (Special High Density/HDM mode). The membrane switch panel and OLED display enable quick access to all adjustments and settings.
- The IP57 rating indicates that the unit is protected against dust ingress while also withstanding water immersion up to 3.2' for 30+ minutes—all while allowing for quick battery swap-outs
- The housing is constructed of machined aluminum alloy treated in the conductive, super hard electroless nickel ebENi finish
- The audio-input jack is a 3-pin LEMO connector with a threaded collar adding additional ruggedness
- The optional CHSDSSM battery charging station provides a convenient and organized way of recharging any mix of four DSSM transmitters and/or four LB-50 lithium-ion batteries
- Full charging of battery takes 3 hours
- The DSSM transmitter can operate up to 6 hours on a full charge
- For larger systems with numerous batteries in regular use, the CHSDSSM charger may be daisy-chained to 3 additional CHSDSSM chargers using a single DCR5/9AU AC/DC power supply (available separately) for a total of 16 LB50s and/or DSSMs charging at once
- The input section features the unique Lectrosonics servo bias input circuitry accepts mic- or line-level signals with a wide range of gain adjustment in 1 dB steps
- Accurate indications on the display allow precise gain adjustments to be made for the maximum signal to noise ratio and minimum distortion
- A DSP-controlled analog audio limiter is employed ahead of the first mic preamp to protect the entire audio chain from overload. The limiter has a range of more than 30 dB for excellent overload protection, and a dual-release envelope that makes the limiter acoustically transparent while maintaining low distortion of brief transients and longer duration peaks
- Selectable low-frequency roll-off at 35, 50, 70, 100, 120, and 150 Hz
- The membrane switch panel and OLED display enable access to all adjustments and settings. The menu structure is easy to navigate
- Battery status is indicated by a bi-color LED that is green with a fresh battery, then turns to red as the battery runs down, and finally starts blinking red when there are only a few minutes of runtime remaining
- The DSSM offers AES 256-bit CTR encryption with four key policies including Universal, Shared, Standard, and Volatile. This covers a wide variety of use cases, including government, corporate, and sports coverage
- LectroRM (available separately) is a third-party mobile application for iOS and Android smartphone operating systems. Its purpose is to make changes to the settings on the DSSM transmitter by delivering encoded audio tones to the microphone attached to the transmitter
- When the tone enters the transmitter, it is decoded to make a change toa variety of different settings such as input gain, frequency, and more
- Compatible with DSQD, DCHR, M2Ra, DSR, DSR4, and DCR822 receivers
- Audio-input connector: LEMO 3-pin
- IP57 rating: avoids water ingress for 30 minutes or more when submerged under 3.3' of water
- Removable battery: the DSSM uses an LB-50 rechargeable lithium-ion battery
- Easy-to-use onboard buttons and rich display, with the same menu structure as the company's DBSM family of transmitters
- USB jack located inside the battery compartment for firmware updates in the field, using Wireless Designer software
- All-metal construction
- Removable antenna with SMA mount
- RF Power settings at 10, 25, and 50mW in D2 mode and 4mW for HDM mode
- AES 256-bit CTR encryption with four key policies including universal, shared, standard, and volatile (this covers a wide variety of use cases, including government, corporate, and sports coverage)
- Includes flexible, repositionable wire belt clip
Ideal in larger systems with numerous batteries in regular use, the Lectrosonics CHSDSSM is a four-bay charging station that provides a convenient and organized way of recharging any mix of four DSSM transmitters and/or four LB-50 lithium-ion batteries. Each CHSDSSM module may be daisy-chained to 3 additional CHSDSSM modules using a single DCR5/9AU AC/DC power supply (not included) for a total of 16 LB50s and/or DSSMs charging at once.
The CHSDSSM charging station features an individual LED on each charging bay. Red indicates the battery is charging and green indicates the battery is completely charged. Each charging module is reverse-polarity protected and individually fused (10A one-time fuse). Battery charging time is 3 hours.
- Each CHSDSSM charges up to 4 LB-50 lithium-ion batteries or 4 DSSM transmitters
- Connect up to 4 CHSDSSMs using a single power supply (16 batteries/DSSMs charging at once)
- Ideal for large installations
- Individual charging circuits and LED status indicators
The Lectrosonics DCR5/9AU is a power supply for the CHSIFBR1B 4-bay battery and receiver charger. A single DCR5/9AU can power up to four CHSIFBR1B charging bays at once, allowing you to recharge up to sixteen IFBR1B receivers or LB-50 batteries at the same time from a single power source.