the CMB121 Black Line offers a 4-band tone control

Buy at www.musicianscart.com Markbass CMB121 BLACK LINE 121 120 Watt 1 x 12 inch Bass Combo Amplifier MBC105105,The CMB121 Black Line with 150 watts and 12″ speakers delivers enough power for the rehearsal room or smaller gigs, and offers everything you need to having fun and being creative, The combo is compact and delivers the good sound you would expect from a MARKBASS combo, the CMB121 Black Line offers a 4-band tone control, a BRIGHT switch, a MODE switch, as well as a headphone output, a balanced LINE output, SEND / RETURN for effects and an AUX input to connect external media players to mix with your own bass sound.