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Compact size, serious routing power, and one of the most underrated bass rigs on the market. Disclaimer: This pedal was kindly provided by Hotone for the purpose of this review. However, this does not influence our opinions or the content of our reviews. We strive to provide honest, unbiased, and accurate assessments to ensure that our readers receive truthful and helpful information. There’s a very specific type of bass player the Hotone Ampero II Stomp immediately makes sense for: the player who is tired of hauling a heavy pedalboard and amp to every rehearsal, the player who wants a reliable direct solution without sacrificing feel, or the player who needs modern routing flexibility without spending flagship-modeler money. After spending serious time with the Ampero II Stomp from a bass perspective, it genuinely feels like Hotone has built one of the strongest value-for-money compact modelers currently available. Most reviews approach this unit from a guitar-first perspective, which honestly misses where the Ampero II Stomp becomes most interesting. For bass players, especially those using modern signal chains, parallel processing, IRs, and direct-to-FOH rigs, the platform offers far more than its size or price initially suggests. First Impressions The first thing that stands out is the size. The Ampero II Stomp is compact enough to fit on almost any pedalboard, but unlike many small-format modelers, it doesn’t feel compromised. The aluminum chassis feels solid, the touchscreen is responsive, and the layout feels intentionally designed for live musicians rather than simply shrinking down a larger desktop interface. That matters more than people sometimes realize. A lot of compact modelers sound excellent in demos but become frustrating during actual rehearsals or gigs because of tiny screens, awkward menu structures, or routing systems that slow everything down. The Ampero II Stomp avoids most of those issues. Within a short amount of time, editing patches starts feeling natural instead of technical, which is one of the reasons this unit works surprisingly well for bass players. Core Features The Ampero II Stomp is built around Hotone’s CDCM HD and F.I.R.E. modeling platform, running on a tri-core DSP architecture with ESS Sabre converters. In practical use, that translates into solid dynamic response, low noise operation, convincing amp feel, and cabinet simulations that sound far more polished than earlier generations of budget modelers. Hotone includes 87 amp models, 68 cabinet models, over 100 pedal models, and more than 400 effects overall. The unit supports up to 12 simultaneous effect slots alongside stereo operation, parallel and serial routing, third-party IR loading, USB audio functionality, MIDI support, a stereo effects loop, and 300 onboard presets. On paper, that already makes it competitive in the compact-modeler category, but for bass players specifically, the routing flexibility is where the unit becomes genuinely compelling. The Bass Experience The obvious question is whether the Ampero II Stomp actually works well for bass. The answer is yes, although perhaps not in the exact way some players expect. If you are looking for an ecosystem with dozens of dedicated bass amp models, ultra-deep parameter editing, and an enormous community-built preset library, the Ampero II Stomp does not fully compete with other similar ecosystems. The bass-specific content is smaller, and some of the stock presets clearly lean more toward guitar applications. However, what Hotone has built is a platform flexible enough to create excellent bass tones if you understand how modern bass rigs function. Once you stop thinking about the unit as a preset machine and start approaching it as a routing and processing platform, the Ampero II Stomp becomes significantly more impressive. Parallel Routing Is the Real Story For bass players, the real strength of the Ampero II Stomp is the routing architecture. Most experienced bass players eventually discover that distortion and heavy processing sound dramatically better when the low end remains intact. Parallel routing solves that problem, and the Ampero II Stomp makes those setups unusually easy to build. You can split clean and distorted paths, run compressed clean lows underneath aggressive drive tones, blend multiple amp models together, integrate external pedals through the effects loop, or build wet/dry ambient rigs while preserving low-frequency punch. These are the kinds of workflows that traditionally require expensive switching systems or large pedalboards, yet the Ampero II Stomp handles them internally with surprisingly little friction. What makes the experience particularly strong is the touchscreen interface. Routing feels visual and immediate instead of technical. Dragging effects around the chain, splitting paths, and adjusting blends becomes intuitive very quickly, and that ease of use gives the unit a major advantage over some menu-heavy competitors. Amp Models for Bass The bass amp selection itself is not enormous, but the core sounds are absolutely usable. The Ampeg-style models are the obvious starting point and deliver the familiar low-mid authority most players expect. Cleaner amp models also work especially well once paired with quality third-party bass IRs. That last point is important because while the stock cabinet simulations are decent, the Ampero II Stomp improves noticeably with external IRs. Once you load good bass cabinet IRs, the overall realism, depth, and mix placement improve dramatically, particularly through studio monitors or in-ear systems. The platform supports third-party IRs with up to 2048 sampling points, which helps bass cabinets retain more low-frequency realism and detail than older-generation loaders. At that point, the Ampero II Stomp starts sounding significantly more expensive than it actually is. Check Price on Amazon –> The Effects The effects section is where the experience becomes slightly more mixed, although still largely positive from a bass perspective. The compressors are solid and completely giggable, even if they do not quite reach the feel or refinement of premium standalone units. EQ options are flexible and especially valuable for direct rigs, where precise control over low mids and high-end presence becomes critical. The modulation and ambient effects are surprisingly strong. Chorus, delays, reverbs, and synth-adjacent textures work extremely well for modern bass applications, especially for worship, progressive, or cinematic styles. The Cloud reverb in particular