Features: The Electronics DM1 Active Inline Microphones Preamplifier delivers a powerful 28dB of clean, consistent Gains, enhancing passive Microphones signal without adding noise or coloration. This preamp ensures low self noise and includes a dedicated output Amplifiers to drive long cable runs while reducing interferences. Suitable for musicians and sound enthusiasts, the DM1 is suitable for anyone elevates their Microphones's performances in both studio and live setting. Whether stage or in the studio, all metal design offers reliable operation in challenging environment, making it essential tool for professional sound setups. DM1 guarantees sound quality, ensuring your sound remain neutral and balanced across various loads and cable lengths. Specifications: Component:ABS Length:Approx.9.50cm/3.74inch Package Includes: 1 Set Microphones Amplifiers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.