VOICETONE E1 with echo and tap delay functions. Operation confirmed. Includes genuine AC adapter. This is a used item, so there may be some signs of use and dirt. Please refrain from purchasing if you are concerned. The VoiceTone E1 adds depth to live vocals with a variety of echo effects. Vocal echo and slapback are standard effects for vocals in recording and live performances, adding space to the sound. VoiceTone E1 - Key Features ■ Equipped with 13 types of echo, such as "Slap", "Tap", and "FX" ■ You can match the echo to the tempo of the song by tapping the footswitch to the rhythm ■ Analog button: Get soft echo reminiscent of the tape era ■ Easy connection to standard microphones and mixers ■ Equipped with a USB terminal for computer connection. You can obtain or view firmware updates and product information from the VoiceSupport application ■ Mic Control function. By connecting the optional TC-Helicon MP-75 microphone, you can switch the effect on/off directly from the microphone ■ Phantom power compatible (always ON, measured value: approx. 21V) ■ Input: XLR Microphone input impedance: Balanced: 2.68 kOhms Microphone input level @0dBFS: -42 dBu ? +1 dBu EIN @ maximum microphone gain Rg=150 Ohms: -126 dBu Microphone input S/N ratio: >104 dB ■ Output: XLR Output impedance, balanced/unbalanced: 200 Ohms/100 Ohms Full scale output: +1 dBu Dynamic range: >104 dB, 20 Hz?20 kHz ■ Frequency response +0/-0.3 dB, 20 Hz?20 kHz ■ Power supply: Power supply (included) 12V, 0.4A ■ Power consumption 5.6W ■ Dimensions 140 x 90 x 60 mm ■ Weight 420 g *When connecting to an XLR input terminal of a mixer, etc., please use it with the phantom power from the mixer turned OFF, as it may cause a malfunction. Thank you for viewing.