{"product_id":"hotone-ampero-ii-stomp-mp-300-amp-modeler","title":"Hotone Ampero II Stomp CDCM HD Gen 2 Amp Modeler\/Effects Processor","description":"\u003cp\u003e\u003cstrong\u003eThe Hotone Ampero II Stomp MP-300 packs the same 460-effect Ampero II engine into the smallest, lightest board-mount chassis in the line, and firmware V2.5.0 brings native NAM A2 loading right onto the unit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003ch3\u003eWhich Ampero II processor should you choose?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eScreen\u003c\/th\u003e\n\u003cth\u003eBuilt-in EXP pedal\u003c\/th\u003e\n\u003cth\u003eMic input\u003c\/th\u003e\n\u003cth\u003eBalanced outs\u003c\/th\u003e\n\u003cth\u003eMIDI\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eNAM A2 (device)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-us\/products\/hotone-ampero-ii-stage-mp-380-amp-modeler\"\u003eAmpero II Stage (MP-380)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5\" 800x480 touch\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eXLR\/TS combo, 52dB, 48V phantom\u003c\/td\u003e\n\u003ctd\u003e2 x XLR\u003c\/td\u003e\n\u003ctd\u003e3.5mm TRS in\/out + Bluetooth MIDI\u003c\/td\u003e\n\u003ctd\u003e1895 g\u003c\/td\u003e\n\u003ctd\u003eYes, firmware V1.7.0 (2026-07-22)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-us\/products\/hotone-ampero-ii-stomp-mp-300-amp-modeler\"\u003eAmpero II Stomp (MP-300)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4\" 800x480 touch\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo XLR – 2x TS inputs\u003c\/td\u003e\n\u003ctd\u003e2 x TRS balanced\u003c\/td\u003e\n\u003ctd\u003e5-pin MIDI in\/out\u003c\/td\u003e\n\u003ctd\u003e1050 g\u003c\/td\u003e\n\u003ctd\u003eYes, firmware V2.5.0 (2026-07-30)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-us\/products\/hotone-ampero-ii-mp-350-amp-modeler\"\u003eAmpero II (MP-350)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5\" 800x480 touch\u003c\/td\u003e\n\u003ctd\u003eYes, two-status switching\u003c\/td\u003e\n\u003ctd\u003eXLR\/TS combo, 52dB, 48V phantom\u003c\/td\u003e\n\u003ctd\u003e2 x XLR\u003c\/td\u003e\n\u003ctd\u003e5-pin MIDI in\/out\u003c\/td\u003e\n\u003ctd\u003e1695 g\u003c\/td\u003e\n\u003ctd\u003eYes, firmware V1.4.0 (2026-07-30)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll three run the same 460+ effect library, 12 simultaneous effect slots, and 300 patches, and as of their current firmware, all three natively load NAM A2 files in Lite format via an onboard NAM module – Hotone's own release notes require Ampero II software V1.4.0 or later for the update. Pick \u003cstrong\u003eAmpero II Stomp\u003c\/strong\u003e for the smallest, lightest, lowest-power board-mount unit with 5-pin MIDI and TRS balanced outs. Pick \u003cstrong\u003eAmpero II Stage\u003c\/strong\u003e when you need XLR outs, a mic input with phantom power, two EXP\/CTRL jacks, and Bluetooth, and can accommodate 1895 g and 3.5 mm TRS MIDI jacks. Pick \u003cstrong\u003eAmpero II\u003c\/strong\u003e when you want the same XLR I\/O and mic input plus an onboard expression pedal and standard 5-pin MIDI, at 1695 g.\u003c\/p\u003e\n\n\n\u003ch3\u003eWhy guitarists choose the Ampero II Stomp\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNative NAM A2 support on the device itself: firmware V2.5.0 (released 2026-07-30) added the same NAM effect module found on Ampero II Stage, natively loading NAM A2 files in Lite format, requiring Ampero II software V1.4.0 or later.\u003c\/li\u003e\n\u003cli\u003e460 effects (incl. global EQ) across 16 modules with 12 simultaneous slots and 300 patches – the same processing depth as Stage and Ampero II, in a smaller enclosure.\u003c\/li\u003e\n\u003cli\u003eSmallest and lightest of the three second-generation processors at 1050 g and 18.5 x 14.5 x 5.8 cm, so it drops onto a compact board where Stage or Ampero II would not fit.\u003c\/li\u003e\n\u003cli\u003eEXP\/CTRL jack is officially documented as \"Perfect for Ampero Press or Ampero Switch\", and MIDI IN is \"Perfect for Ampero Control\" – both directly stated in Hotone's own manual.\u003c\/li\u003e\n\u003cli\u003eStandard 5-pin MIDI in\/out and 2 x 1\/4\" TRS balanced outputs, instead of Stage's XLR and 3.5mm TRS MIDI, for players who prefer conventional studio and stage connectors.\u003c\/li\u003e\n\u003cli\u003eLower current draw than Stage or Ampero II at 800 mA max (9V), easier on a compact pedalboard power supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eControls and switches\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4\" touchscreen – full patch\/effect editing on the unit.\u003c\/li\u003e\n\u003cli\u003eFootswitches – patch change, effect on\/off, tap tempo.\u003c\/li\u003e\n\u003cli\u003eIndividual input-mode selectors per input.\u003c\/li\u003e\n\u003cli\u003ePower switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower and pedalboard compatibility\u003c\/h3\u003e\n\u003cp\u003eRuns on 9-18V DC centre negative, drawing up to 800 mA at 9V; Hotone recommends always using the included genuine power adapter. Input impedance is E.GT 1 MΩ \/ A.GT 4.7 MΩ \/ LINE 10 kΩ, FX loop return 100 kΩ, Aux In 10 kΩ. Output is 1 kΩ (unbalanced, balanced, FX send), headphones 47 Ω.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAmpero II Stomp (MP-300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct class\u003c\/td\u003e\n\u003ctd\u003eCDCM HD Gen 2 Amp Modeler \/ Effects Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScreen\u003c\/td\u003e\n\u003ctd\u003e4\" 800x480 touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffects \/ modules \/ slots \/ patches\u003c\/td\u003e\n\u003ctd\u003e460 (incl. global EQ) \/ 16 \/ 12 \/ 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 x 1\/4\" TRS balanced (no XLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMIDI\u003c\/td\u003e\n\u003ctd\u003e5-pin MIDI in + out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB-C, USB Audio 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e9-18V DC centre negative, 800mA max at 9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e18.5 x 14.5 x 5.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1050 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNAM A2 (device)\u003c\/td\u003e\n\u003ctd\u003eSupported from firmware V2.5.0 (2026-07-30); requires Ampero II software V1.4.0+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Ampero II Stomp load NAM A2 files on the device?\u003c\/strong\u003e Yes. Firmware V2.5.0, released 2026-07-30, added the same NAM effect module used on Ampero II Stage, natively loading NAM A2 files in Lite format directly on the unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software do I need to update to get NAM A2?\u003c\/strong\u003e Ampero II software V1.4.0 or later, with Ampero II Setup V1.5.1 as the current matching editor build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is Ampero II Stomp different from Ampero II Stage?\u003c\/strong\u003e Stomp is smaller and lighter (1050 g vs 1895 g) with a 4\" screen instead of 5\", 5-pin MIDI instead of 3.5mm TRS MIDI, TRS balanced outputs instead of XLR, and no built-in mic preamp or Bluetooth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich pedals and controllers does Ampero II Stomp officially support?\u003c\/strong\u003e Its EXP\/CTRL jack is documented as \"Perfect for Ampero Press or Ampero Switch\", and its MIDI IN is \"Perfect for Ampero Control\". The Ampero Switch+ Operating Guide also covers this unit directly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many effect slots can I use at once?\u003c\/strong\u003e 12 simultaneous effect slots, drawn from a library of 460 effects across 16 modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does it need?\u003c\/strong\u003e 9-18V DC centre negative, drawing up to 800 mA at 9V – Hotone recommends the included genuine power adapter.\u003c\/p\u003e\n\n\u003ch3\u003eWorks well with\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/en-us\/products\/hotone-ampero-press-sp-30\"\u003eAmpero Press (SP-30)\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/hotone-ampero-switch-fs-1-footswitch\"\u003eAmpero Switch\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/hotone-ampero-switch-fs-2-footswitch\"\u003eAmpero Switch+ (FS-2)\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/hotone-ampero-control-ec-4-midi-controller\"\u003eAmpero Control (EC-4)\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/hotone-karat-cap-footswitch-covers-10-pack\"\u003eKarat Cap\u003c\/a\u003e\u003c\/p\u003e","brand":"Hotone","offers":[{"title":"MP-300","offer_id":43901213835517,"sku":"888506050084","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/7100\/7485\/products\/hotone-ampero-ii-stomp-front-lit-switch.jpg?v=1785939858","url":"https:\/\/pedalzoo.com\/en-us\/products\/hotone-ampero-ii-stomp-mp-300-amp-modeler","provider":"Pedalzoo","version":"1.0","type":"link"}