Romicta AK50MAX Stereo Amplifier 400W Bluetooth

The Romicta AK50MAX is a compact 2.0-channel stereo amplifier that delivers powerful 400W peak output with Bluetooth 5.0, mic echo control, USB/SD playback, and wide device compatibility for home audio and karaoke.

Designed as an upgraded version of Romicta's AK45, the AK50MAX blends a small footprint with features usually found in larger receivers. It supports both passive speakers and active subwoofers, provides dedicated mic input/output and echo control for singing or announcements, and includes convenient digital playback options so you can stream or play files without a phone or computer.

How loud and powerful is this amplifier for a typical living room?

The AK50MAX supplies 400W peak power and 50W per channel rated power, which is sufficient to drive bookshelf or small floorstanding speakers in small-to-medium rooms. Its design also allows connection to active subwoofers for deeper bass without overtaxing connected speakers.

• 400W peak total output for dynamic peaks and home listening.
• 50W+50W rated power for steady stereo playback.
• Works with 4–16Ω passive speakers and active subwoofers.
• Compact dimensions fit shelves, A/V cabinets, or desktops.

Can I use it for karaoke, announcements, or live speaking?

Yes—AK50MAX includes a MIC input and MIC output plus an independent Echo knob so you can tailor vocal presence and reverberation. The mic output lets you route the mic signal to recording gear or extra amplification for larger spaces.

• Dedicated mic input and output ports for flexible routing.
• Independent Echo and Mic Volume controls for vocal shaping.
• Remote control lets you adjust levels without leaving the stage or couch.
• Use with active subwoofers for fuller sound during vocal performances.

How do I play music wirelessly or from a USB/SD drive?

The amplifier uses Bluetooth 5.0 for faster pairing and a more stable wireless range up to about 50 ft (15 m) in open areas, so you can stream from phones or tablets. For offline playback, simply insert a USB flash drive or SD card loaded with MP3s—the AK50MAX supports plug-and-play file playback without an external source.

• Bluetooth 5.0 for reliable wireless streaming and longer range.
• USB 2.0 and SD card slots for direct MP3 playback—no phone required.
• AUX input and other connections for TVs, DVD players, and laptops.
• Remote control for source selection and volume adjustments.

What sound controls and compatibility options are available?

The front panel offers Bass, Treble, Master Volume, and Mic Volume knobs to fine-tune the sound to your room and speakers. The unit is broadly compatible with phones, tablets, computers, TVs, and various audio sources, making it useful for home theaters, gaming setups, and small gatherings.

• Independent Bass and Treble knobs for tonal adjustments.
• Master Volume and Mic Volume for precise level control.
• Works with mobile devices, TVs, DVD players, and gaming consoles.
• Suitable for bookshelves, living rooms, garages, and small parties.

Who is this for: The Romicta AK50MAX is aimed at listeners who want a compact yet capable amplifier for home audio, karaoke, or small entertaining spaces. It's a good fit for apartment owners, home-theater hobbyists, casual DJs, and anyone who needs simple Bluetooth streaming plus USB/SD playback, vocal mic control with echo, and the option to add a subwoofer for deeper bass.