Item Type: Digital Audio Power Amplifier <br>Material: ABS <br>Plug: US plug 100-240V <br>Signal Input: RCA gold plated lotus seat signal input <br>Signal Output: 4 wire signal output <br>Input Mode: Analog and Bluetooth input function. Bluetooth input takes priority when inputting in 2 ways at the same time, Bluetooth connection, automatically disconnect the RCA input. analog input is required, please turn off the Bluetooth function of the phone before switching <br>Use: With the sound field and LCD display, can be used for infant behavior hearing, etc.<br>1、Audio Performance: Digital amplifier test equipment provides excellent audio performance, enabling users to experience and listen music, which allows for precise power control and error correction. <br>2、High Efficiency: Hearing test equipment is designed with high efficiency and a small, lightweight design, allowing for easy integration and handling. <br>3、Compatible With Visual Reinforcement Equipment: Ideal for use with visual reinforcement audiometry equipment to provide hearing evaluations for individuals wearing sound aids or implants. <br>4、Sound Quality Control: Digital amplifier allows you to adjust the volume and sound quality, ensuring a comfortable and personalized hearing experience. <br>5、ABS: Constructed with ABS material, very hard, with strong impact resistance, scratch resistance, dimensional stability, moisture resistance, corrosion resistance, easy processing.1 x <br> <br>Digital&nbsp;Power&nbsp;Amplifier<p>1 x Adapter</p><p>1 x Power Cord</p><p>1 x Bluetooth Antenna&nbsp;&nbsp;</p><p>1 x Instruction</p>