The compact 40W amplifier provides separate channels for guitar and microphone signals, plus several other sections that are suitable for both live performances (indoors and outdoors) and other situations. The BSK-40 has on board built-in rhythmic backgrounds that can be played in the background, as well as an audio file player. The latter supports files from a USB flash drive connected to the appropriate port, as well as from a smartphone or other device connected to the AUX input. It also offers support for signals transmitted wirelessly (Bluetooth).
In the guitar channel associated with the 1/4 "jack input, is volume control and 3-band equalizer as well as Chorus, Delay and Reverb effects. The microphone can be connected to the combo input [XLR/jack], and in addition to the volume control, the BSK-40 offers a 2-band equalizer and reverb control. The combo is also equipped with an AMP input and output, a headphone output with a separate volume control, a RECORDING section that allows you to record your own achievements on an external device (e.g. a smartphone). There are two 1/8" jack sockets and an OTG [USB] port. The amplifier also provides a balanced XLR type DI output, a USB type A port for powering other devices and a 24V power supply socket for charging the built-in battery.