The three band EQ and accompany input is more suitable for your many kinds of styles. You can choose the overdrive effects which can bring you more powerful overdrive tone. Unique tuner feature in BT-21T is available for a variety of musical styles changes. The nominal power is 15watt and 21watt which will be the perfect match for your rehearsals and small performances.Nominal power：15watt / 21watt
BT-45R has a clean channel and a overdrive channel. The 3 band EQ and SPRING REVERB make the tone more warm and more suitable for many performance styles. About the overdrive effect it added a SHARP button to add the power of the GAIN and let you get a more power overdrive tone.
BT-45 standard is a 10” specialized speaker. As the nominal power is enough so we leave a outside speaker jack to convenience your performances. You can connect a 12” speaker no less than 4ohm.
Besides BT-45R send you a foot switch panel FS-001 in order to convenience you to switch the overdrive channel. If you need to switch the REVERB channel, you can buy FS-002 foot switch panel from our agents.(When you use foot switch panel, please use our dedicated double channel cable.)
HIGH—To connect guitar with high-level input
LOW—To connect guitar with low-level input
VOLUME— Adjusts the overall level or volume of the amplifier
DRIVE— Select between BOOST and CLEANDIST— To adjust the preamplifier effect level for boost channel
VOL—To adjust the volume of amplifier when sound goes through the boost channel
SHARP— Sharp switch, pressed sound more ferocious and increasing grainy timbre.
BASS— Controls the boost and cut of the low frequency range
MID— Controls the boost and cut of the middle frequencies range
TREBLE— Controls the boost and cut of the upper frequencies range
REVERB—To adjust the spatial reverb effect
AUX —Connection for CD or MP3
FOOT SWITCH—The switch of foot pedal
EXT SPEAKER— To connect microphone.
PHONES— For connecting headphones with a 6.5mm stereo plug. When using the headphone jack, the speaker is disconnected