HamiltonBuhl Amp-Up Personal UHF Voice Amplifier (On Sale!)
Being clearly heard without straining your voice can be a constant struggle, especially if you are wearing a mask. Amp-Up™ makes it easy to be heard without straining your voice. With its lightweight design, long battery life and clear, crisp amplification, the Amp-Up™ Personal Amplifier is a winner and a must-have for teachers, coaches, lectureres, speakers, and others!

When you’re speaking to a group of people, school audiences or at outdoor events, you need to be clearly heard, and Amp-Up™ packs a lot of punch with quality sound and easy-to-use controls. Amp-Up™ has top-mounted button/dial controls, making it easy to adjust the sound volume, change to different modes and turn the unit on and off.
With its 40 multi-channel feature, Amp-Up™allows for up to 40 different PA-25W units to be paired and operated simultaneously near each other without creating any channel conflict between wireless head-worn microphones and their main amplification units. Amp-Up's™ auto-pairing feature will automatically pair to an available channel to avoid interference, when using multiple units. This auto-pairing continues for up to 40 channels.
Using Bluetooth technology, you can stream audio/music content from your Bluetooth-enabled device. Also, play content from a USB/TF card or via AUX-IN.
Amp-Up™ Wireless (PA-25W) comes with a UHF wireless headworn microphone, a carrying strap and a waistband hook for hands-free use.
Upgrade Option #1: Add a Wired Lapel Mic.

The perfect accessory for Amp-Up™ PA-25W, PA-25 and PA-25E (Amp-Up Mini), this lapel-worn microphone is easy to use, comfortable and lightweight – just clip it on! Provides crystal clear voice pick-up for amplification – be heard, hands-free!
You can also use this Lapel-Worn Mic with many other manufacturer's devices that have a standard 3.5mm connector.
Upgrade Option #2: Add a Headworn Wireless Microphone.

The perfect accessory for the Amp-Up™ Personal Amplifier (PA-25W), this wireless head-worn microphone is easy to use, comfortable and lightweight - just slip it on! Provides crystal clear voice pick-up for amplification - be heard, hands-free and wirelessly! Easy to carry, too!
Please Note: Upgrade options - if chosen - will be shipped separately and may take longer to arrive.
Personal Amplifier Specifications:
- Wireless Mic Direction: Unidirectional
- Wireless Mic Sensitivity: -61dB +-1dB (0dB=1V/Pa)
- Wireless Mic Polymer Battery: 3.7V 550mA
- Wireless Mic Working voltage: 3.7V
- Wireless Mic Impedance: ≤ 2.2KΩ
- Wireless Mic Frequency: 30-23,000 Hz
- Wireless Mic Charge Time: Approx. 3-5 hours
- Wireless Mic Operating Time: Approx. 4-5 hours
- Amplifier Unit Output Power: 25W (max.)
- Amplifier Unit Charging Voltage: DC 5V 2A
- Amplifier Unit Battery: Lithium 7.4V/2000mAh
- Amplifier Unit Charging Time: Approx. 3-5 hours
- Amplifier Unit Operating Time: Approx. 8-11 hours of voice amplification / Approximately 8-9 hours of playing music
- Amplifier Unit Bluetooth: Version 5.0
- Amplifier Unit : Includes auto-channel searching functionality
- Amplifier Unit Working Temperature: 14°F~113°F
- Amplifier Unit Frequency Response: 90Hz~18KHz
- Amplifier Unit: Support up to 32GB memory media card which can store approx. 500 hours of voice data