Sennheiser to debut wireless audio system Spectera at CABSAT 2025
Attendees are invited to experience Spectera in action during CABSAT 2025 at the Sennheiser booth.
At CABSAT 2025, Sennheiser Middle East, in collaboration with Venuetech, will unveil and demonstrate Spectera, reportedly the world's first bidirectional wideband wireless audio solution, powered by cutting-edge WMAS (Wireless Multichannel Audio Systems) technology. This system is set to transform wireless audio by drastically simplifying system design while boosting performance and enabling comprehensive remote control and continuous spectrum monitoring.
Spectera will be showcased at Sennheiser's booth in the Sheikh Saeed Halls 1, where visitors can participate in live demonstrations. The system features advanced bidirectional bodypacks that simultaneously handle digital IEM/IFB and mic/line signals. Its robust resistance to RF fading and flexibility in utilising a wideband RF channel enable digital IEM latency as low as 0.7 milliseconds.
Mig Cardamone, Sales Director of Sennheiser Middle East, said: 'We are thrilled to see years of technological development and spectrum policy work turn into a digital wireless ecosystem that will solve many of the issues that users of wireless multichannel systems are faced with today. Our wideband solution will be ideal for large productions, whether in the touring, broadcasting, or theatre fields, or in any other area that requires multichannel audio setups. Spectera satisfies our customers' chief desires and needs regarding ease of use, operational reliability and flexibility. It offers less hardware, drastically reduced frequency coordination, redundancy, and the flexibility of an ecosystem that grows with your needs.'
Spectera directly addresses common issues in wireless audio such as intricate frequency coordination, complicated rack setups, and bulky system footprints. By using a proprietary variant of OFDM-TDMA tailored for reliable, low-latency, bidirectional multichannel communication, it replaces multiple narrowband carriers with a single 6 or 8 MHz wideband RF channel. This enables seamless integration of IEM and mic signals within the same channel, eliminating the need for separate frequency bands and significantly reducing RF fading thanks to high diversity across the channel.
A key highlight of the system is its Base Station, which condenses the capabilities of a full rack of mic receivers and IEM transmitters into a compact 1RU unit with up to 32 inputs and 32 outputs. This innovation, along with versatile bodypacks that serve both transmission and reception functions, drastically minimizes the hardware footprint and simplifies logistics for both engineers and performers.
'Having just one pack is not only a great asset for performers,' added Ryan Burr, Head of Technical Sales & Application Engineering, Sennheiser Middle East 'it also makes the work of the sound engineer easier, who has just one type of pack and can, if required, quickly add an IEM to a mic. Warehousing also becomes less complex, with just one Base Station and two frequency variants – UHF and 1G4 – for bodypacks and antennas.'
Spectera represents a total shift in control and monitoring: It doesn't just offer a back channel, but continuous two-way communication throughout, for truly complete remote control. Via the permanent control data stream, audio settings can be adjusted, IEM and mic levels adapted, RF health and battery status monitored, and much more. AES 256 encryption (AES 256 CTR Mode with >10kYears expiry) for both audio and control data ensures the necessary data privacy.
Also, all units help in continuously sensing the spectrum, meaning they scan for potential interference from other RF sources. With Spectera, it is possible for the first time to see 'behind' the RF channel that is actually being used and detect interference.
Spectera delivers signature Sennheiser digital audio quality for mics, instruments and IEMs, employing different application-optimised audio codecs, which are all internally processed with 32-bit-float precision.
Eleven Audio Link Modes allow for selectable control of audio quality, latency, channel count and operating range for each and every audio link, flexibly throughout a production. The operator can always use the RF channel to the maximum, either by giving fewer audio links a high quality or by allowing more links and reducing the quality accordingly.
'Spectera is a game-changer for the pro audio industry, and we're proud to bring it to the region in partnership with Sennheiser at CABSAT 2025,' stated Alice Macaluso, Brand Manager of Sennheiser at Venuetech. 'It's unmatched ability to combine high performance, compact design, and complete bidirectional signal and control opens up an entirely new chapter in wireless audio. This launch reflects Venuetech's ongoing commitment to delivering cutting-edge innovation to our clients across broadcast, live production, and installation sectors.'
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