The Sennheiser XSW 1-825-B is an easy-to-use all-in-one wireless vocal system for singers and presenters, featuring the renowned e825 dynamic cardioid microphone, antenna-switching diversity reception, automatic frequency management, up to 10 compatible channels in the stable 614–698 MHz UHF band, and a compact rack receiver for quick setup and reliable live sound performance.
The Sennheiser XSW 1-825-B wireless vocal set delivers solid UHF transmission with the SKM 825-XSW handheld transmitter equipped with the e825 dynamic cardioid capsule, offering excellent live sound with ≥103 dBA signal-to-noise ratio, <0.9% THD, and 50–16,000 Hz (±3 dB) response via double superheterodyne receiver. It supports up to 10 simultaneous channels with selectable frequencies, integrated antennas, remote synchronization, and adjustable transmitter output (0 to -30 dB in 10 dB steps), powered by two included 1.5 V AA batteries for approximately 10 hours of operation. The intuitive EM-XSW 1 rack receiver includes 1/4″ (+6 dBu) and XLR (+12 dBu) outputs, switchable 20 dB line/mic level, and adjustable squelch (3–28 dBµV), all backed by a 2-year warranty for live production and touring applications.
Key Features
- Excellent live sound featuring Sennheiser’s renowned evolution microphone capsules (e825)
- Antenna-switching diversity reception
- Integrated antennas
- Automatic frequency management and synchronization via remote channel
- Selectable UHF frequencies within a large bandwidth
- 1) EM-XSW 1 Rack receiver
- (1) SKM 825-XSW Handheld transmitter
- (1) MZQ 1 Microphone clip
- (1) NT 12-5CW Power supply with country adapters
- (2) AA Batteries
- Transducer Type: Dynamic
- Pickup Pattern: Cardioid
- Receiver Principle: Double superheterodyne
- Frequency Range: 614.000–698.000 MHz
- Audio Frequency Response: 50–16,000 Hz (±3 dB)
- THD: ≤ 0.9%
- Signal-to-Noise Ratio: ≥ 103 dBA
- Sensitivity: < -3 µV at 52 dB(A)rms S/N
- Input Sensitivity: 1.5 mV/Pa
- Output Voltage: 1/4″ (6.3 mm) jack (unbalanced): +6 dBu; XLR (balanced): +12 dBu
- Transmitter Adjustment Range: 0 to -30 dB (10 dB steps)
- Squelch: 3–28 dBµV (with pilot tone)
- Line/Mic Level: 20 dB, switchable
- Battery: 2 x 1.5 V AA, 2.3 Ah capacity, ~10 hrs runtime
- Dimensions (Transmitter): approx. 200 x 42 x 127 mm
- Product Weight: 340 g
- Product Dimensions (H x L x W): 86 x 348 x 345 mm
- Package Dimensions (H x L x W): 86 x 348 x 345 mm
- Warranty: 2 years
- Applications: Live Production & Touring











































