The Roland PM-10 V-Drum Speaker System is the perfect portable companion for your Roland V-Drums! The speaker is equipped with a 30W amplifier and a 10", 2-way coaxial speaker. Perfect for small-sized kits like the TD-3S and TD-6S (449913). (See the customer products box for the TD-6S). Jam along with your favorite songs by connecting an external CD or MP3 player to the line-in jack. Balance the Roland V-Drums and the external audio with dedicated volume controls. Adjust the tone with the built-in 2-band EQ.