Portable acoustic guitar amplifier 140W Bluetooth USB - Oak - MUSICCUBE MCU-MC-MA90PROOA

Musiccube’s MA90 Pro packs professional amplification into a compact, portable chassis with USB and Bluetooth. A purpose-built filter reins in surplus frequency content on acoustic guitars while the vocal path supports standout effect treatment. The loudspeaker section pairs two 6" neodymium woofers with four 2" NdFeB mid-tweeters for 140 W RMS (220 W peak) from Class-D stages under automatic dynamic control. Carry-friendly sizing and full battery operation keep output strong away from mains power.

CH1 and CH2 accept two microphones—with separate phantom feeds—or two instruments; CH3 and CH4 take two acoustic guitars, each with Bass, Middle and Treble tone shaping. An auxiliary analog input (3.5 mm mini-jack) joins a phone path (Live, rec out) on the supplied digital lead terminating in USB. Pair the phone, launch the companion app, and drive the live speaker mode with analog-style effects plus software tools such as internal recording and live streaming. Bluetooth and USB IN read tracks from a USB drive, while the 3.5 mm digital audio port hooks mobile apps into a broad palette of performance effects.

CTLE linear EQ offsets high-frequency roll-off on vocals so body remains while articulation gains clarity. Onboard processing covers hall, reverb, delay and chorus. Chain two i-MA90 units in series when stereo effects are required, opening up to 12 effect channels. A dedicated line output routes to a mixer or subwoofer.

Two removable, replaceable integrated lithium battery packs deliver more than 6–12 hours at full charge; an LCD reports state of charge. A soft bag ships with the unit. Finish: oak.

User benefits include Bluetooth playback from a mobile phone, dual guitar plus dual mic/instrument inputs, and analog-style effects triggered through the app. Typical contexts: live shows, sound reinforcement, outdoor sets without local power, and instrumentalists.