Your first multi-effects processor should make playing easier — not give you a new menu system to fight. For roughly $110 to $330 CAD, you can carry amp modeling, effects, presets, a tuner, headphone practice and USB recording in a unit small enough for a backpack or a corner of your pedalboard.

This guide compares five compact processors from Valeton and one from Hotone that come up again and again when guitarists shop for their first compact rig.

The lineup at a glance

Processor Price (CAD) Footswitches Battery Weight
Valeton GP-5 $109.95 1 None 237 g
Valeton GP-50 $169.95 2 1450 mAh 430 g
Valeton GP-100 $199.95 2 + expression pedal None 800 g
Valeton GP-150 $239.95 2 + expression pedal 3000 mAh 958 g
Valeton GP-180 $249.95 3 3000 mAh 843 g
Hotone Ampero Mini MP-50VN $329.95 2 None 529 g

The short answer

  • Best all-rounder: Valeton GP-50 — two footswitches, a battery, and NAM support for $169.95.
  • Best with a built-in expression pedal: Valeton GP-150 — same expression convenience as the GP-100, but on the newer 48 kHz platform with a battery.
  • Best for live footswitch control: Valeton GP-180 — a third footswitch and MIDI OUT instead of an onboard expression pedal.
  • Smallest and cheapest: Valeton GP-5 — one footswitch, palm-sized, and the lowest price in the lineup.
  • Best budget floorboard: Valeton GP-100 — a built-in expression pedal at a lower price than the GP-150.
  • Best touchscreen workflow: Hotone Ampero Mini — a 4" touchscreen and Hotone's own amp modeling.
  • Best bass amp selection: Valeton GP-150 or GP-180 — the deepest dedicated bass amp/cab library in this lineup.

Six questions that decide the right one for you

1. Will you change sounds while playing?

One footswitch is fine for practice or recording one part at a time. If you need to move between clean, rhythm and lead sounds mid-song, you want at least two. That's the exact upgrade from the GP-5 to the GP-50 — a second footswitch opens up faster patch access and looper control without adding an external switch.

2. Do you need a built-in expression pedal?

This is the clearest fork in the lineup. Only the GP-100 and GP-150 have an expression pedal built in — useful for wah, volume swells, or controlling a parameter hands-free. The GP-180 deliberately swaps its expression pedal for a third footswitch and a MIDI OUT jack instead. The GP-5 has no expression jack at all, and the GP-50 only exposes an EXP/FS jack for adding one later.

If wah or real-time volume control is part of how you play, go straight to the GP-100 or GP-150. If not, the GP-50, GP-180 or GP-5 keeps things smaller.

3. Do you need battery power?

Three of the six run without a wall adapter:

  • GP-50 — 1450 mAh built-in battery, charges via DC 9V or USB 5V.
  • GP-150 — 3000 mAh/3.7V battery, rated 6+ hours, charges via DC 9V or USB-C PD.
  • GP-180 — same 3000 mAh battery and 6+ hour runtime as the GP-150.

The GP-5, GP-100 and Ampero Mini all need external 9V power with no internal battery.

4. Do you want to edit on the unit or through an app?

The GP-5 and GP-50 use a compact color screen and a small knob set, so deeper editing usually happens through Valeton's app or desktop software. The GP-100, GP-150 and GP-180 give you more physical control directly on the floor. The Ampero Mini goes the other way entirely — a 4" touchscreen handles patch and effect editing right on the unit.

5. Will you record through USB?

All six work as USB audio interfaces, but capability scales up the lineup:

  • GP-5 and GP-50: USB-C, 2-in/2-out.
  • GP-100: USB 2.0 Type-B.
  • GP-150 and GP-180: USB-C, 6-in/4-out.
  • Ampero Mini: USB-C.

If you want more channels for recording, the GP-150 and GP-180 offer the most headroom.

6. Guitar, bass, or both?

Every processor in this lineup actually includes dedicated bass amp and cabinet models — this isn't limited to the GP-100. According to the official Valeton manuals:

  • GP-5 and GP-50 include bass-voiced amps like an Ampeg SVT-style head and a VOX AC-100 bass amp model, a Bass Cab option modeled on a Bassman 2x12" and an Ampeg SVT-410HE 4x10" cabinet, a "Bass Drive" overdrive built specifically for bass tone, and a dedicated Guitar/Bass mode on the auto-wah/envelope filter effect.
  • GP-150 and GP-180 go further, with a noticeably deeper bass amp and cabinet library: Ampeg SVT and B-15 Flip Top-style heads, a VOX AC100 bass amp model, and cabinet options modeled on Ampeg SVT 2x12/4x10, Ampeg Classic 8x10, Trace Elliot 4x10, Markbass New York 2x12, and more, alongside the same Guitar/Bass mode on the wah/filter effect.

So if you play bass as well as guitar, any of these four Valeton units will actually give you usable bass tones — not just a pass-through for effects. The GP-150 and GP-180 have the widest selection if bass amp variety matters to you; the GP-5 and GP-50 cover the basics in a much smaller package. The GP-100 remains the most bass-forward on paper, with 45 dedicated guitar/bass/acoustic amp types listed directly in its official specs, but the newer GP-150/GP-180 platform isn't far behind once you check the actual amp list in the manual. The Ampero Mini, by contrast, is built and marketed strictly around guitar amp modeling, with no bass-specific amps mentioned in its materials.

The processors in detail

Valeton GP-5 — smallest and cheapest way in

At $109.95 CAD, 237 g and a single footswitch, the GP-5 packs 100+ effects, up to 9 simultaneous modules, SnapTone NAM support (50 preloaded, 80 max) and 20 third-party IR slots into the smallest footprint here. It includes bass-specific amp models and a dedicated bass overdrive, plus a Guitar/Bass mode on its auto-wah effect. It has no MIDI, no expression jack, and no battery — it runs on DC 9V at 100 mA or USB 5V at 190 mA.

Choose it if: you want the lowest-cost, smallest-possible complete rig, mostly use one sound at a time, and don't mind editing through the app.

Think twice if: you need to switch between multiple sounds live or want battery power.

Valeton GP-50 — the best overall pick

The GP-50 is the direct upgrade over the GP-5: a second footswitch, a 1450 mAh built-in battery, an onboard-recordable looper, an EXP/FS jack for an external expression pedal, and 1/8" TRS MIDI IN/THRU — all in a 430 g, 12.2 × 8.2 × 5.4 cm enclosure at $169.95 CAD. It keeps the same SnapTone NAM platform and bass-voiced amp options as the GP-5, with room for up to 80 capture files.

Choose it if: this will be your only processor and you want battery-powered practice, easier live switching, and a looper without adding accessories.

Think twice if: a built-in expression pedal is non-negotiable — go to the GP-150 or GP-100 instead.

Valeton GP-100 — a traditional floorboard with an expression pedal

At $199.95 CAD, the GP-100 runs Valeton's earlier-generation 44.1 kHz platform, but it's the cheapest way to get a built-in expression pedal in this lineup — and its official specs list 45 dedicated guitar/bass/acoustic amp types. It offers 140+ effects, 40 factory cab IRs, 20 user IR slots, a 90-second looper and 198 presets, and runs on DC 9V/500 mA with no battery.

Choose it if: wah and volume control matter, you play bass as well as guitar, and you'd rather not pay extra for the GP-150's newer platform.

Think twice if: you want SnapTone NAM support or battery operation — the GP-100 has neither.

Valeton GP-150 — an expression pedal on the newer platform

The GP-150 runs Valeton's newer 48 kHz, 200+ effect platform with SnapTone NAM (100 files, 50 curated), 12 simultaneous modules, a built-in expression pedal, and a 3000 mAh battery rated for 6+ hours. Its amp library includes a genuinely deep bass section — Ampeg SVT and B-15-style heads plus cabinets modeled on Ampeg SVT, Ampeg Classic 8x10, and Trace Elliot 4x10, among others. At $239.95 CAD and 958 g, it's the heaviest unit here, but it's also the only one pairing a built-in expression pedal with the newer engine and a battery.

Choose it if: you want the GP-100's expression pedal without giving up NAM support, battery life, or a wide bass amp selection.

Think twice if: floor space is tight — the GP-180 is lighter if you're willing to trade the expression pedal for a third footswitch.

Valeton GP-180 — three footswitches and MIDI OUT instead of an expression pedal

The GP-180 shares the GP-150's exact engine — 200+ effects, 48 kHz, 12 modules, same SnapTone NAM, battery, and bass amp/cabinet library — but swaps the built-in expression pedal for a third footswitch and a MIDI OUT jack, letting it command other MIDI-capable pedals on your board. At $249.95 CAD, it's 843 g, slightly lighter than the GP-150.

Choose it if: you'd rather have an extra footswitch and MIDI control than an onboard expression pedal, or plan to run it with other MIDI gear.

Think twice if: wah or volume-via-expression is part of your playing — you'll want an external pedal on top of this unit.

Hotone Ampero Mini — touchscreen editing, Hotone tone

At $329.95 CAD, the Ampero Mini MP-50VN is the smallest and lightest processor in Hotone's Ampero line at 529 g, with 199 effects across 9 modules, a 4" touchscreen, USB-C, and a single 1/4" TRS stereo output that needs a Y-cable for separate L/R feeds. It runs on 9V DC at up to 500 mA with no internal battery and no MIDI. It doesn't have on-device NAM capture loading — instead it imports up to 10 "Sound Clone" tone files through Hotone's Ampero Editor software, with one usable at a time. Its amp modeling is built and marketed for guitar, with no bass-specific amp models in its lineup.

Choose it if: touchscreen editing and Hotone's amp modeling matter more than staying under $300, and you don't need onboard NAM capture loading or bass-specific amp tones.

Think twice if: device-side NAM/SnapTone support matters to you — every Valeton model above handles that natively, and this one doesn't.

GP-5 vs. GP-50

Winner for most players: GP-50. The core SnapTone NAM engine is the same on both, including the same bass-voiced amps and bass overdrive — the extra $60 buys a second footswitch, a battery, a looper, MIDI and an EXP/FS jack, not a different sound. Get the GP-5 only if size and price are the deciding factors and you're fine with a single footswitch.

GP-150 vs. GP-180

Winner depends on your feet, not your ears. Same engine, same battery, same effects count, same bass amp library — the only real difference is control. GP-150 gives you a built-in expression pedal. GP-180 gives you a third footswitch and MIDI OUT instead. Pick GP-150 for wah and volume control; pick GP-180 for footswitch count and MIDI command duties.

GP-100 vs. GP-150

Winner if budget matters: GP-100. Both have a built-in expression pedal, and both have a genuine bass amp selection, but the GP-150 runs the newer 48 kHz platform with SnapTone NAM and a battery for roughly $40 more. Winner if features matter: GP-150. Choose GP-100 for the lowest-cost floorboard with an expression pedal and bass amps. Choose GP-150 if NAM support and battery power are worth the extra cost.

Do you actually need NAM/SnapTone support?

SnapTone is Valeton's name for Neural Amp Modeler (NAM)-compatible capture loading. Every Valeton model here supports it natively, with capacity scaling by model — 50/80 on the GP-5, 50/80 on the GP-50, and 50/100 on the GP-150 and GP-180. The GP-100 has no NAM support, and the Ampero Mini only handles capture files through its companion app.

It matters if you already collect amp captures or want a specific one. It matters less if you're buying your first processor — a workflow you enjoy will help you more than an empty capture library.

What else you'll need

Headphones or an FRFR speaker. None of these units make sound in a room by themselves. Use headphones for silent practice. For rehearsal or performance without a traditional amp, connect to an FRFR speaker like the Valeton VFR-110, a PA, or a powered monitor.

The right output setting for your destination. Into headphones, an interface, or an FRFR system, keep cabinet simulation on. Into a real guitar amp's front input, turn it off.

An expression pedal, if you didn't buy one built in. The GP-50 and GP-180 both have EXP/FS jacks for adding one later. Good options from Hotone include the Ampero Press SP-30, a compact passive volume/expression pedal built to pair with Ampero and other units with an EXP jack; the Soul Press II SP-20, which adds a dedicated wah mode on top of volume and expression; and the SP-30T, which folds a built-in tuner into the same compact volume/expression form factor. The GP-5 has no expression jack, so it isn't compatible with any of these.

Final recommendation

For most first-time buyers, start with the Valeton GP-50 at $169.95 CAD — small, battery-powered, and complete enough to use without any accessories, with usable bass tones built in.

If a built-in expression pedal is non-negotiable, go with the Valeton GP-150 ($239.95) for the newer platform and the deepest bass amp selection here, or the Valeton GP-100 ($199.95) to save money on the earlier one. Choose the Valeton GP-180 ($249.95) if a third footswitch and MIDI command matter more than expression control. The Valeton GP-5 ($109.95) is the answer when size and price come first. The Hotone Ampero Mini ($329.95) is worth the stretch past $300 if you want Hotone's touchscreen workflow and don't need on-device NAM capture loading or bass-specific amps.

Browse the full Valeton collection or the Hotone collection to compare current stock and pricing before you buy.