CAPPED PRICE SHIPPING for orders up to 20kg To Most Areas. Orders over $1,000 FREE SHIPPING

Smart Acoustic SWM250BP Wireless Body Pack System with Headset & Lapel Microphones (655~679 MHz)

Smart Acoustic


This system operates in the 655~679 MHz frequency range which is good for most areas. To learn which frequencies will operate in your area please use the ACMA Channel Finder at

This great-sounding, easy to operate Smart Acoustic SWM250BP Wireless Body Pack System comes with 1x Wireless Receiver (SWM250), 1x Headset (SHM250), 1x Bodypack (SBP250) and 1x Lapel Mic (SLP250). The SWM250 Wireless system allows you to easily pair your transmitter to one of the 120 True Diversity Channels with its ASC functionality. Simply press the ASC key on the receiver and transmitter, hold up to the IR window and the units will pair themselves together. The SWM250’s AA Battery powered transmitters will give you up to 6 hours of continuous operation. The battery status of your connected unit can also be monitored on the Receiver so you know when it is time to swap the batteries over. You can also monitor the RF integrity of your connection and follow the level of signal being transmitted to the SWM250 with its clear LED display.

The Headset (SHM250), Bodypack (SBP250) and Lapel Microphones (SLP250) are also all available as separate items - please Contact Us.

Warranty: 12 Months

  • Wireless Body Pack System
  • 120 Channels
  • True Diversity System



  • Channels: 120 Unique UHF channels, True-diversity system with 2 groups of independent receiving circuits
  • Channel Assignment: Advanced audio frequency digital lock technology with ASC function• Audio Output Level: (=/- 30KHz deviation , 1KHz tone)
  • Output Impedence: XLR connector: 10KΩ, 1/4 inch connector: 22KΩ
  • Outputs: XLR Output, Impedance balanced ¼ inch connector
  • Sensitivity: -94dBm for 30dB SINAD, typical
  • Image Rejection: >55dB
  • Dimensions: 44mm (H) x 410mm (W) x 180mm (D)
  • Weight: 1.15kg
  • Power Requirements: 12-18V DC at 300mA, supplied by external power supply
  • Transmitter Output Level: 10dBm
  • Operating Range Under Typical Conditions: 50m - Note: Actual range depends on RF signal absorption, reflection and interference
  • Audio Frequency Response: (+/-3dB) 70Hz~16KHz
  • Total Harmonic Distortion: (+/-30KHz deviation , 1KHz tone) <1%
  • Dynamic Range: >90dBA - weighted
  • Operating Temperature Range: -10ºC to +50ºC. Note: Battery characteristics may limit this range


  • Max audio input level: 0dBV to +10dBV
  • Gain Adjustment Range: 20dB
  • Input Impedance: 600Ω
  • Dimensions: 85mm (H) x 65mm (W) x 24mm (D)
  • Weight: 87 grams (without batteries)
  • Power Requirements: 2 x AA” size alkaline or rechargeable batteries
  • Battery Life: >6 hours


Order weight is calculated on whichever of the dead (actual) or volumetric weight is the greatest. As of 10/9/21 capped $8.80 to $16.50 for up to 20kg to most areas. For orders under $50 options are Standard Postage $8.80 or Express Shipping for $16.50. Orders over $1,000 ship for free. Express Shipping covers one delivery attempt so please provide an address where someone is available to sign for courier delivery between 9am and 5pm weekdays. You can instruct us to ask the courier to leave your parcel unattended in a safe place, although please be aware that if anything happens to the parcel, neither us nor the courier company can be held responsible. Work addresses are a great delivery option. If using a work address please include the business' name.

* for some larger items does not apply to Australian remote island locations, some mainland remote locations (outside Darwin NT and Perth WA metro areas) or outside Australia. If unsure if you are entitled to capped shipping it is best to contact us prior to placing order.

Type: Microphones