Feature: 1. A stereo four-way passive mixer for extended controlling, mixing instrument, CD player, tape player, computer, mobile phone, tablet, etc. 2. No battery or other power source required, more convenient to use. 3. With 4-channel RCA signal input and total signal stereo output, it can also be used as stereo distributor clockwise to adjust the volume. 4. Made of high quality metal, sturdy and durable. With anti-slip mats in the bottom, stable to use. 5. Mini size, portable and lightweight. Suitable for DJ, club, bar, party or more. Specification: Mini passive stereo mixer is a stereo four-way passive mixer for extended controlling, mixing instrument, CD player, tape player, computer, mobile phone, tablet and so on. No battery or other power source required. The device can also be used as 4 in 1 out stereo distributor clockwise to adjust the volume. Features: A stereo four-way passive mixer for extended controlling, mixing instrument, CD player, tape player, computer, mobile phone, tablet, etc. No battery or other power source required, more convenient to use. With 4-channel RCA signal input and total signal stereo output, it can also be used as stereo distributor clockwise to adjust the volume. Made of high quality metal, sturdy and durable. With anti-slip mats in the bottom, stable to use. Mini size, portable and lightweight. Suitable for DJ, club, bar, party or more. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding. Specifications: Color: Black Material: Metal Input Impedance: 10K ohms to 47K phms Output Impedance: 2.5K ohms to 10K ohms Gain: Max. -12dB Item Size: 84 * 52 * 40mm / 3.31 * 2.05 * 1.57in Item Weight: 204g / 7.19oz Package Size: 13.5 * 9 * 7.5cm / 5.31 * 3.54 * 2.95in Package Weight: 280g / 9.88in Package List: 1 * Audio Mixer 1 * User Manual (English) Package List: 1 * Audio Mixer 1 * User Manual (English)