Alto Busker

A very nice little amp ideal for small venues:
- 2 channels combined jack / canon (the first one with phantom power for condenser mics)
- 1 channel for Bluetooth / aux (to play along a backing track)
- outstanding battery life and built in charger (no external transformer... just connect the power supply and the alto busker will recharge)

Pro:
practicality, great build quality, reasonably easy to use
Cons:
- only channel 1 is suitable for voice... connecting a mic to channel 2 will provide very low output.
- connecting an acoustic guitar makes it sound ok, but an electric guitar sounds very bland. TIP: Connect an overdrive in front of it as a treble booster (a Soul Food or an Electro Harmonics Hot Wax) and even if the OD is not engaged the sound improved dramatically.
- connecting the app is a bit tricky... to do the initial pairing it rewquires you to enable the location services. If pairing is not successful, control to have the location enabled.

The Alto Busker is a compact, portable speaker ideal for home use, street busking, and small venues like coffee shops or libraries. I use it for acoustic performances because I wanted something light that still delivers clean, strong sound without needing high volume to perform well.

Despite its 6-inch woofer, it can sound surprisingly full—especially when you're just 1–2 meters away and use the EQ via the Alto app or onboard controls. It handled a small gig beautifully: loud, clean, and full, especially for its size.

A lot of people confuse peak power and RMS power—so let’s clear that up: the Alto Busker is 200 watts peak, but realistically about 100 watts RMS. That’s the usable power, and for its intended use, it’s enough.

The main limitation is projection. Beyond 10–15 meters, the sound thins out. In a medium-sized restaurant with a chatty crowd, you’ll likely get drowned out. But if your audience is close—within 2–5 meters—they’ll hear a clear, full mix.

The Alto app is a standout feature: simple, responsive, and loaded with just the right basic effects like reverb and chorus. Nothing fancy, just what a solo performer needs.

Pros:
Compact and lightweight

Full, clean sound at close range

Alto app with useful, simple effects

Great value (much cheaper than a Bose S1 Pro)

Ideal for small venues and intimate gigs

Cons:
Sound thins out past 10 meters

Not powerful enough for noisy, medium-to-large spaces

Limited bass (as expected with a 6" woofer)

Final Thoughts:
If you’re playing to small, close-up crowds, this speaker is a solid choice. It's not a full PA system, but for libraries, quiet weddings, room gigs, or cozy cafés, it’s a smart, portable, budget-friendly solution.

I was looking for a BP speaker with as little weight as possible. I opted for Alto and Boss Street Cube 2.

The Alto is a full fledged PA speaker with depth and resolution, added very basic app functionality (mostly volume levels for channels and fx) and BT connectivity. The Boss SC 2 sells itself as much more than that but falls short on the sound quality and overall higher price. With the optional BT dual adapter, the Boss is nearly a hundred euros more than the Alto which is almost a third of the value of the Alto.

Alto is only 5.5 kg which combined with the very small package and good sound quality was the main reason it stayed and the Boss did not.

The bad: "The Voice" - Omg, really?! When i turn on the speaker or connect to BT, depending on the previous set volume - the whole neighborhood and two streets adjacent to it has to be informed of it blasting trough the speaker?

To Alto engineers - Just put the put the option in the app so we can turn "the voice" off, or don't put those stupid vocal notifications at all.

Everything else is great for now, I'm very satisfied for now. Hope the battery lasts me a long time.