XS Wireless 1 is Sennheiser’s entry-level analogue UHF system, with eight frequency banks of pre-programmed channels, automatic scan and one-touch sync, aimed at straightforward plug-and-play use. This set ships as a complete instrument radio system with bodypack transmitter, Ci1 guitar/bass cable, EM-XSW 1 receiver, NT 12-5CW PSU and 2 AA batteries. Band variant: GB, 606 – 630 MHz (includes UK CH38). Requires an Ofcom shared PMSE licence in the UK.
Key Features
Analogue UHF system with up to 10 compatible channels (8 banks of factory presets)
One-touch auto-scan and sync between receiver and transmitter
Half-rack receiver in rugged ABS housing with integrated antennas
Operates on 2 AA batteries
UK band GB: 606 – 630 MHz (includes UK CH38)
CI 1 instrument cable: 1/4″ (6.3 mm) jack to 3.5 mm jack, guitar/bass to the SK-XSW bodypack
RF output: 10 mW
Switching bandwidth: up to 24 MHz
Audio frequency response: Receiver: 50 to 16,000 Hz (-3 dB)
Specifications
| General: THD, total harmonic distortion | <= 0.9% |
| General: Signal-to-noise ratio | ≥ 103 dBA |
| General: RF output power | 10 mW |
| General: Switching bandwidth | up to 24 MHz |
| General: Operating time | approx. 10 hrs |
| General: Modulation | Wideband FM |
| General: Frequency | 8 frequency banks, each with up to 10 factory-preset channels |
| General | Frequency range |
| General: GB | 606-630 MHz |
| General: B | 614-638 MHz |
| General: C | 766-790 MHz |
| General: D | 794-806 MHz |
| General: E | 821-832 MHz, 863-865 MHz |
| General: K | 925-937.5 MHz |
| General: Sensitivity | < 3 μV at 52 dB(A)rms S/N |
| General: SPL for peak deviation | 130 dB |
| General: Squelch | adjustable from 3 dBμV to 28 dBμV (combined with pilot tone) |
| General: Synchronization | 2.4 GHz, Low Power OQPSK (only active during synchronization) |
| General: Input sensitivity | 1.5 mV / Pa |
| General: AF frequency response | Receiver: 50 to 16,000 Hz (-3 dB) |
| General: Adjustment Range Transmitter | 0 to -30 dB, adjustable in 10 dB steps |
| General: Audio adjustment range | 45 dB, adjustable in 5-dB steps |
| General: Line / Mic level | 20 dB, switchable |
| General: Temperature Range | operation: 0°C to +40°C, storage: -20°C to +70°C |
| General: Receiver Principle | double superheterodyne |
| General: Diversity principle | Antenna switching diversity via internal antennas |
| Physical & Dimensions | Dimensions |
| Physical & Dimensions: Bodypack transmitter | approx. 71 x 96 x 28 mm |
| Sennheiser part number | 506999 |
| UK band | GB (606 – 630 MHz (includes UK CH38)) |





