Manufacturer: Maker Hart Industry Corp. Product Name: LOOP MIXER ───────────────────── I forgot the year of purchase. I only used it for six months, and haven't used it for a long time since then. Analog input/output has been confirmed to work, but the LOOP function has not been confirmed. Please understand that this is a used item. ───────────────────── ■Features■ ※Stereo 5 input / 2 output configuration 　The LOOP MIXER's 5 stereo devices can connect to a maximum of 10 mono devices. ※Microphone Settings 　The LOOP MIXER can be adjusted from line level to microphone input signal level with the gain knob. ※Overload Indicator 　The left/right overload LEDs allow you to set the optimal signal level for the best audio performance. ※REC Output Jack 　These jacks allow connection to a recording device. 　Headphone jack: Stereo headphones can be connected to this jack for convenient mix monitoring. ■Specifications■ Nominal Input Level: Input (1-5) 50dBm ~ +4dBm Input Impedance: 20 kΩ (stereo) / 10 kΩ (mono) Nominal Output Level: Output 0dBm REC Output: -10dBm Output Impedance: Output 1kΩ REC Output 1kΩ Headphone Output: 0.1mW (33Ω load) Total Harmonic Distortion: 0.05% or less Indicators: Power indicator, Overload indicator (left/right) <Front> Headphone jack (stereo mini type) <Rear> Input (left/right) x 5 (stereo mini type) Output (left/right) x 1 (stereo mini type) REC Output (left/right) x 1 (stereo mini type) AC adapter jack (DC 9V) Loop input jack x 1 Loop output jack x 1 Dimensions: 175(W) x 130(D) x 30(H) mm Weight: 295g ───────────────────── Stereo Mixer Stereo Mixer