{"product_id":"hotone-ampero-press-sp-30","title":"Hotone Ampero Press SP-30 Passive Volume Expression 2 in 1 pedal","description":"\u003cp\u003e\u003cstrong\u003eThe Hotone Ampero Press SP-30 is the simplest way to add a real volume-and-expression treadle to any Ampero-family processor, with zero power supply and zero extra footprint on your board.\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003ch3\u003eWhich Hotone Press pedal is right for you?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003cth\u003eWah\u003c\/th\u003e\n\u003cth\u003eExpression pot\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-soul-press-ii-sp-20-pedal\"\u003eSoul Press II (SP-20)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePlayers who want volume, wah, and expression from one passive-footprint pedal\u003c\/td\u003e\n\u003ctd\u003eYes (WARM\/CLASSIC + Q)\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003ctd\u003e9V DC or 9V battery, or fully unpowered as an expression pedal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-sp-21-wong-press-pedal\"\u003eWong Press (SP-21)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePlayers who want the Cory Wong signature take on the same 3-in-1 platform\u003c\/td\u003e\n\u003ctd\u003eYes (same WARM\/CLASSIC + Q)\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003ctd\u003e9V DC or 9V battery, or fully unpowered as an expression pedal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-ampero-press-sp-30\"\u003eAmpero Press (SP-30)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eThe simplest, cheapest way to add volume and expression to an Ampero-family unit\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003ctd\u003eNone – fully passive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-ampero-press-sp-30h\"\u003eAmpero Press 25kΩ Edition (SP-30H)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eHosts that specifically call for a 25 kΩ expression pot, such as Pulze Control\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e25 kΩ\u003c\/td\u003e\n\u003ctd\u003eNone – fully passive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-ampero-ii-press-sp-35-expression-pedal\"\u003eAmpero II Press (SP-35)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eAmpero II Stage owners who also want an independent momentary footswitch\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e10 kΩ linear\u003c\/td\u003e\n\u003ctd\u003eNone – fully passive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-int\/products\/hotone-sp-30t-expression-pedal-tuner\"\u003eTuner Press (SP-30T)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePlayers who want a built-in chromatic tuner in their volume\/expression pedal\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003ctd\u003e9V DC required (no battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNot sure which one matches your rig? Check the expression-pedal input on your Hotone processor: Ampero Control (EC-4) is rated for a 10 kΩ expression pedal, while Pulze Control (EC-2) is rated up to 25 kΩ – that is the one case where the pot value, not the model name, decides the right pedal.\u003c\/p\u003e\n\n\n\u003ch3\u003eWhy guitarists choose the Ampero Press\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully passive design: no battery, no DC jack, nothing to run out of charge mid-set – just plug it in and press.\u003c\/li\u003e\n\u003cli\u003eControl volume and expression at the same time: the EXP OUT 1\/4\" TRS jack lets you feed a second device's expression input while the main INPUT\/OUTPUT path still carries your volume-controlled signal.\u003c\/li\u003e\n\u003cli\u003eHotone's own manuals name it directly: Ampero II Stomp, Ampero Mini, Ampero II, and Ampero Control all document their EXP\/CTRL jack as \"Perfect for Ampero Press\".\u003c\/li\u003e\n\u003cli\u003eCompact Press-family footprint (16.2 x 8.1 x 5.1 cm) that matches Soul Press II, Wong Press, and Ampero Press 25kΩ Edition, so it drops onto the same pedalboard real estate.\u003c\/li\u003e\n\u003cli\u003e100 kΩ volume taper and a 10 kΩ expression taper – the exact value Ampero Control specifies as its maximum-compatible expression pedal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eControls and switches\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTreadle – the only control; rocks the volume\/expression pot through its full sweep.\u003c\/li\u003e\n\u003cli\u003eNo footswitch, no mode switch, no LEDs – a deliberately simple, fully passive control surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower and pedalboard compatibility\u003c\/h3\u003e\n\u003cp\u003eNone required. Ampero Press has no DC jack and no battery compartment – it is a fully passive pedal with a 100 kΩ volume pot and a 10 kΩ expression pot. Input\/output impedance figures are not published for this passive design.\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 Press (SP-30)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct class\u003c\/td\u003e\n\u003ctd\u003ePassive Volume \/ Expression Pedal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume pot\u003c\/td\u003e\n\u003ctd\u003e100 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpression pot\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eNone – fully passive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacks\u003c\/td\u003e\n\u003ctd\u003eINPUT, OUTPUT, EXP OUT (1\/4\" TRS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e16.2 x 8.1 x 5.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e430 g\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\u003eWhich Hotone processors officially support Ampero Press?\u003c\/strong\u003e Ampero II Stomp, Ampero Mini, and Ampero II manuals all document their EXP\/CTRL jack as \"Perfect for Hotone Ampero Press\", and Ampero Control's official guide has a dedicated USE WITH AMPERO PRESS section including a calibration routine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Ampero Press need a power supply?\u003c\/strong\u003e No. It is a fully passive pedal – there is no DC jack and no battery compartment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for both volume and expression at once?\u003c\/strong\u003e Yes. The EXP OUT jack lets you send an independent expression signal to a second device's expression input while the pedal still controls volume through the main signal path.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this and the 25kΩ Edition (SP-30H)?\u003c\/strong\u003e They are mechanically identical passive pedals; the only official difference is the expression pot value – 10 kΩ here versus 25 kΩ on the Edition. Choose based on your host device's rated expression-pedal resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with Ampero Control?\u003c\/strong\u003e Yes – Ampero Control's expression pedal input is rated for a maximum 10 kΩ pot, which matches Ampero Press exactly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a footswitch on this pedal?\u003c\/strong\u003e No. Ampero Press is treadle-only with no footswitch or mode switch; for a version with an independent footswitch jack, see Ampero II Press (SP-35).\u003c\/p\u003e","brand":"Hotone","offers":[{"title":"Default Title","offer_id":43918827192573,"sku":"888506040078","price":69.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/7100\/7485\/files\/hotone-ampero-press-sp-30-wordmark-angled.jpg?v=1785939881","url":"https:\/\/pedalzoo.com\/en-int\/products\/hotone-ampero-press-sp-30","provider":"Pedalzoo","version":"1.0","type":"link"}