
Sennheiser
Sennheiser XSW 1-825 Dual Vocal Set Wireless Microphones
★★★★★
Two-channel wireless vocal coverage with the sonic integrity of Sennheiser's proven e825 dynamic capsule — built for stages that can't afford dropout.
$649.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Key Features
EM-XSW 1 Dual-Channel Receiver
2 x MZQ 1 Microphone Clips
2 x SKM 835-XSW Handheld Transmitters
4 x AA Batteries
Includes NT 12-5 CW Power Supply
Specifications
Receiver Type
Dual-Channel EM-XSW 1
Included Transmitters
2 x SKM 835-XSW Handheld
Microphone Clips
2 x MZQ 1
Batteries Included
4 x AA
Power Supply Included
NT 12-5 CW
Pros & Cons
👍 Pros
- The dual-channel EM-XSW 1 receiver consolidates two wireless feeds into a single rackmount unit, simplifying cable management and front-of-house rack layout
- The e825 dynamic cardioid capsule's tight polar pattern gives meaningful feedback rejection on monitor-heavy stages without EQ gymnastics
- Onboard mute switches on each SKM 825-XSW transmitter give presenters and vocalists control over their signal without disrupting mix flow
- The system ships with all essentials — receivers, transmitters, power supply, clips, and batteries — allowing deployment straight out of the box
- Sennheiser's XSW 1 platform is designed for fast frequency setup with automatic scan functions, reducing soundcheck time in unfamiliar venues
👎 Cons
- The EM-XSW 1 receiver uses internal antennas rather than external paddle antennas, which limits effective range compared to systems with remote antenna options
- The e825 dynamic capsule's output level and transient response are noticeably below condenser-capsule wireless systems at similar price points — it lacks the air and presence some vocalists expect in studio or broadcast settings
- The A-band (548–572 MHz) frequency range has faced FCC reallocation pressure in the US market, requiring buyers to verify current legal status before deployment
- The XSW 1 series lacks an intermodulation calculator or advanced RF coordination tools, which matters when deploying alongside other wireless systems in congested RF environments
- The handheld transmitters have no locking power switch, meaning accidental power-off mid-performance is a real risk without careful handling protocol
Frequently Asked Questions
What frequency band does the XSW 1-825 operate in, and does it require a license to use in the US?
The A-band version operates in the 548–572 MHz range. In the US, this frequency range falls within the UHF spectrum that has been subject to FCC reallocation, so you should verify current FCC frequency clearance for your region before purchasing. Always confirm the band variant matches legal usage in your area.
How many simultaneous channels can the EM-XSW 1 receiver handle?
The EM-XSW 1 is a dual-channel receiver, meaning it handles both included SKM 825-XSW transmitters simultaneously through a single rack-able unit. This eliminates the need for two separate receivers in dual-vocalist applications.
What capsule is inside the SKM 825-XSW transmitter, and how does it handle feedback in live environments?
The SKM 825-XSW uses Sennheiser's e825 dynamic cardioid capsule. Its tight cardioid polar pattern provides good rear rejection, which translates to meaningful feedback resistance on stage — especially useful in monitor-heavy live setups. The dynamic capsule also handles high SPL without distortion or proximity-effect buildup.
Do the SKM 825-XSW transmitters have a mute switch?
Yes. Each SKM XSW handheld transmitter is equipped with a mute switch, giving vocalists or presenters the ability to cut their signal between songs or segments without reaching for the receiver or mixer.
How long does battery life last per AA set in the SKM 825-XSW transmitters?
Sennheiser rates the SKM 825-XSW transmitters for approximately 8 hours of continuous operation on two AA batteries. Four AA batteries are included in the box to get both transmitters operational immediately.