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Sound Devices SL-2 Dual SuperSlot Wireless Module
The Sound Devices SL-2 is a rugged, lightweight, and compact dual SuperSlot wireless module that enables smooth integration of wireless receivers with your Sound Devices 833, 888, or Scorpio mixer/recorder. It mounts atop your recorder, connects directly to it, and receives power from it, making it a great addition to a production sound bag.
The SL-2 accepts two UniSlot or SuperSlot wireless receivers and supports four audio channels per slot. It can utilize analog or digital audio from the in-slot receivers. Two TA3 inputs are provided on the rear panel to accommodate four channels of AES3 digital audio. Equipped with two MCX antenna ports and two Hirose 4-pin DC outputs, the SL-2 offers antenna and power distribution with up to 500mA per port.
Use the menus on your Sound Devices 8-Series mixer/recorder to access wireless receiver functions such as RF scan, receiver setup, RF frequency adjustment, transmitter status, RF and audio level monitoring, transmitter recording status, and more (available features vary according to receivers)
Please Note:
The SL-2 will not work with the 6-Series or MixPre II mixers/recorders and cannot be used in conjunction with an SL-6 on a Scorpio.
Essential Features
Mounts on the top of your Sound Devices 833, 888, or Scorpio mixer/recorder
Connects directly to your recorder (no ribbon cable required)
Powered via host mixer/recorder
Accepts two UniSlot or SuperSlot wireless receivers from Audio Ltd, Lectrosonics, Sennheiser, Sony, and Wisycom
Supports four channels per slot
Built-in antenna distribution with antenna powering for active antennas or boosters
Supports remote control of third-party smart antennas
Two auxiliary MCX antenna ports for connecting other receivers or RF distribution
Built-in RF filtering
Two TA3 AES3 inputs for an additional four channels of digital audio
Two DC outputs via Hirose 4-pin connectors, each supplying up to 500mA
Accepts either analog or digital audio from slot-in receivers
Allows setting and monitoring multiple functions of a SuperSlot-compatible receiver—power on/off, set frequency, RF scan with visual representation of the RF spectrum, and monitor transmitter battery, receiver audio, and RF levels—from the 8-Series mixer/recorder
Rugged, lightweight, and compact design
Compatible SuperSlot Receivers
Audio Ltd A10-RX
Lectrosonics SRb (with audio board update from Lectrosonics)
Lectrosonics SRc
Lectrosonics SRc-941
Sennheiser EK-6042
Sony DWR-S03D (in future update)
Wisycom MCR42 (with SLK42-IKSS rear-panel adapter from Wisycom)
Wisycom MCR54 (in future update)
Accepts 2 x UniSlot/SuperSlot Receivers
Supports 4 x Audio Channels per Slot
Built-In Antenna Distribution
2 x Auxiliary MCX Antenna Ports
2 x TA3 AES3 Inputs
2 x Hirose 4-Pin DC Outputs
Powered via Host Mixer/Recorder
Rugged, Lightweight, and Compact Design
Wireless Receivers:
UniSlot or SuperSlot Wireless Receivers from Audio Ltd, Lectrosonics, Sennheiser, Sony, and Wisycom
Channels4 x Channels per Slot
Inputs2 x TA3 AES3 Inputs
Antenna Ports2 x MCX
Bias Voltage12 V Bias Power up to 500 mA
Power Outputs2 x Hirose 4-Pin DC Outputs (500 mA Maximum per Output)
Power RequirementsPowered via Connection to Compatible Mixer/Recorder
Width22 cm
WeightNot Specified by Manufacturer
What is SuperSlot?
SuperSlot™ is an open, electro-mechanical connection specification, developed by Sound Devices, to simplify the interconnection of wireless audio transmitters and receivers with audio mixers and cameras for the entire industry to use. SuperSlot provides, power, audio, and control signals over a single multi-pin connection. SuperSlot-compatible products are offered by multiple manufacturers. Read more about SuperSlot here.
Which SuperSlot receivers are supported by SL-2?
SuperSlot is an open standard, wireless receivers from several manufacturers are supported, allowing you to use your favorite brand, as well as leveraging your existing transmitter and receiver investment:
- Audio Ltd A10-RX
- Lectrosonics SRb (with audio board update from Lectrosonics)
- Lectrosonics SRc
- Lectrosonics SRc-941
- Sennheiser EK-6042
- Sony DWR-S03D
- Wisycom MCR-42 (with SLK42-IKSS rear panel adapter from Wisycom)
What features of a given receiver does SuperSlot support?
The 8-Series automatically powers all receivers slotted-in the SL-2 on and off with the mixer-recorder. After power on, the 8-Series mixer-recorder automatically sets the output of the receiver to analog or digital and sets the output level to achieve maximum dynamic range. The 8-Series menus provide access to RF scan, menus for receiver setup, RF frequency adjustment, TX status, RF and audio level monitoring, TX recording status, TX Limiter and overload status (A10-TX only) and more. Features available depend on the receiver in use.
Will it work with all the 833, 888, and Scorpio mixer-recorders?
Yes it will! It is the same width as the 833, making it a perfect fit for production bags.
How many receivers can I use?
The SL-2 accepts 2 slot-in Unislot or SuperSlot wireless receivers.
How many channels per slot does the SL-2 support?
The SL-2 supports the SuperSlot spec, which has always supported up to four audio channels per slot.
I see the SL-2 can support four channels per slot. How about the SL-6?
Even though the SuperSlot protocol supports four channels per slot, and several other functions, the SL-6 hardware can support only two channels per slot.
Will it power my antennas?
Yes. Both SMA antenna connectors provide 12 V bias power up to 500 mA.
Is there built in RF filtering?
Yes. The filtering is menu-selectable from the 8-Series user interface. More information about the filter options will be available in the future, but it does cover ranges of 470-960 MHz.
Does the SL-2 have RF attenuators?
There are attenuators at the input of the RF stage that can be enabled in the 8-Series menus.
This is useful when experiencing heavy RF overload.
Can I use the SL-2 with my XL-AES?
The SL-2 utilizes the same expansion port as the XL-AES so simultaneous use is impossible. However, the SL-2 does have two TA3 AES3 inputs for an additional 4 channels of digital audio.
Is there a ribbon cable or does it affix to the port directly? Can I move it?
The SL-2 connects directly to your 8-Series mixer-recorder without the use of ribbon cables. The SL-2 sits securely on top with the receivers facing you, allowing for ease of viewing while in your bag or on your cart.
Are there RF loop-through connectors?
Yes, these are only intended as an extra set of RF connections to another receiver or distro.
Is the SL-2 stackable?
The SL-2 is designed to be as lightweight and small as possible, and thus does not include provisions for stacking. Future, larger SL products will include stacking.
Is there going to be a larger model with more slots?
The SL-2 is the first model of a new range of Superslot-based accessories which bring integrated multichannel wireless to the 8-Series Mixer-Recorders. More information will be available in the future.
How big is it?
The SL-2 is the same width as the 833.
If you wish to purchase in store, to avoid disappointment, please confirm the availability of the product at your local John Barry prior to visiting.
Alternatively, orders placed online by 2pm AEST are typically dispatched same day, if ordered online.
If your product is on backorder, please contact us for an ETA.
Shipping is done via Startrack Express or Australia Post eParcel service and tracking advice will be provided once shipped.
For more information, please visit our Shipping Policy.
Should you have any questions regarding our equipment warranty conditions, please contact us
John Barry reserves the right under Australian Consumer Law to refuse a request for an exchange or refund on all final sale items, if you have misused/mishandled the product, or if you have simply changed your mind. Please visit our Refunds & Returns policy page for further information.