GUITAR BAFFLE SONE auxiliary screen (designed for the joint use of the HONE head). 150 watts at 4 ohms. 6.5-inch speaker + 3-inch tweeter. Recommended for instruments of medium frequency range: acoustic and classical guitars, folk instrument, violins, ukuleles ... etc Frequency range from 40Hz to 20Khz. INCLUDES PADDED TRANSPORTATION COVER. (To cover the full frequency range and get the most out of the amplifier it is recommended to complete the equipment with the STWO screen)