{"product_id":"fosi-audio-sk01","title":"Fosi Audio SK01 Portable Class A Amp — 3-Band Analog EQ","description":"\u003cp\u003eThe SK01 is a battery-powered Class A analog headphone amp with a real three-band EQ — bass, mid and treble knobs, plus a Pure button that bypasses tone shaping entirely when you want the signal untouched.\u003c\/p\u003e\u003cp\u003eIt delivers up to 2,400mW at 32 ohms on high gain and doubles as an analog preamp between any source and amp, running about six hours per charge. Note there is no DAC inside: feed it from a dongle, DAP line out or desktop DAC. The right tool if you want physical tone controls instead of software EQ, or need to rescue badly mastered recordings on the move.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClass A analog amp, up to 2,400mW at 32 ohms on high gain\u003c\/li\u003e\n\u003cli\u003eThree-band analog EQ with Pure bypass\u003c\/li\u003e\n\u003cli\u003eWorks as an analog preamp\u003c\/li\u003e\n\u003cli\u003eAround 6 hours per charge\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAuthorized Fosi Audio retailer. Free US shipping over $49, 45-day returns.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":45367809245319,"sku":"TP-FOSI-AUDIO-SK01","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/SK01_adc7bb25-9f40-420a-be22-05a30c490762.jpg?v=1785404434","url":"https:\/\/tonepier.com\/products\/fosi-audio-sk01","provider":"TonePier","version":"1.0","type":"link"}