{"product_id":"ibasso-dc04-ultra-dongle-dac-stainless-steel","title":"iBasso DC04 Ultra Dongle DAC - STAINLESS STEEL","description":"\u003cp\u003eThe iBasso DC04 Ultra (DC04U) is not just an evolution of the DC04PRO but a complete “Ultra-grade” overhaul: a USB-C dongle DAC and headphone amplifier in a CNC-machined stainless steel body, with up to 980mW per channel from the 4.4mm output, support for microphone calls on the 3.5mm output, a colour display and buttons that control everything without an app. Compared with the DC04PRO it uses just 3.6% more power, yet iBasso says its effective drive power is 2.5 times greater.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-hero.jpg?v=1791361275\" alt=\"iBasso DC04 Ultra stainless steel dongle DAC\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-ultra.jpg?v=1791361280\" alt=\"iBasso DC04 Ultra: 980mW at 32Ω, call-ready, stainless steel\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAlways in “desktop mode”\u003c\/h3\u003e\n\u003cp\u003eThe DC04U needs no external power to deliver a stable 980mW + 980mW into 32Ω, continuously: in-ear monitors are easy, and full-size headphones are driven effortlessly, all from your phone or computer. Low distortion (−119dB), high output and high dynamic range (132dB) come together in one dongle.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-power.jpg?v=1791361286\" alt=\"iBasso DC04 Ultra peak driving ability\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-trio.jpg?v=1791361291\" alt=\"iBasso DC04 Ultra: low distortion, high output and high dynamic range\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eDual CS43198 DACs\u003c\/h3\u003e\n\u003cp\u003eTwo Cirrus Logic CS43198 flagship DACs form a four-channel, truly balanced circuit, decoding PCM up to 768kHz and native DSD512 in hardware, with DRE dynamic enhancement to remove distortion at 0dB. iBasso’s years of tuning experience bring out clear sound, an expansive soundstage and a naturally pleasing presentation from this proven chip.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-dacs.jpg?v=1791361295\" alt=\"The dual CS43198 DACs of the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eFPGA and femtosecond oscillators\u003c\/h3\u003e\n\u003cp\u003eiBasso’s in-house FPGA audio algorithms, paired with two femtosecond oscillators, give unified clock and data reproduction and significantly reduce jitter, for a more authentic, clearer and more natural sound.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-fpga.jpg?v=1791361300\" alt=\"FPGA and femtosecond oscillators in the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eA balanced amplifier with adjustable supply\u003c\/h3\u003e\n\u003cp\u003eAn independent four-channel balanced headphone amplifier with a refined signal path gives superior channel separation and high driving ability. Its power supply can be set from ±4V to ±6V in 0.1V steps, so you can match it precisely to anything from in-ear monitors to full-size headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-amp.jpg?v=1791361306\" alt=\"The ±0.1V adjustable amplifier supply of the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTop-quality parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonolithic inductors with ultra-low internal resistance and minimal loss.\u003c\/li\u003e\n\u003cli\u003eA Rubycon electrolytic capacitor for punchy bass and pure sound.\u003c\/li\u003e\n\u003cli\u003eDual femtosecond oscillators that significantly reduce phase noise.\u003c\/li\u003e\n\u003cli\u003eA CNC stainless steel chassis, far stronger than ordinary aluminium alloys, that resists everyday bumps and scratches, with a brushed finish and tempered glass panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-parts.jpg?v=1791361312\" alt=\"Top-quality parts in the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-steel.jpg?v=1791361317\" alt=\"The CNC-machined stainless steel chassis of the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eControl on the device or in the app\u003c\/h3\u003e\n\u003cp\u003eThe 0.96-inch multi-colour display and three side buttons with clear tactile feedback handle volume, filters, gain, channel balance and more with a single press, without relying on an app. On Android, iBasso’s UAC app opens every setting: 100 hardware volume steps, 5 digital filters, 3 gain levels, 20 steps of channel balance, 3 DRE modes, a 10-band PEQ, 7 preset and 3 custom EQs, and display themes.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-display.jpg?v=1791361323\" alt=\"The multi-colour display of the iBasso DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-app.jpg?v=1791361328\" alt=\"iBasso UAC app features for the DC04 Ultra\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePhones, computers and consoles\u003c\/h3\u003e\n\u003cp\u003eSwitch between UAC 2.0, for iOS and Android phones and tablets and Windows, Mac and Linux computers, and UAC 1.0, which turns it into an external sound card for consoles such as the Nintendo Switch 2 and PS5. The 3.5mm socket also supports a headset microphone (CTIA) for calls and a coaxial S\/PDIF output up to 384kHz PCM and DSD128 (DoP), switched on in the settings or the app.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-compat.jpg?v=1791361334\" alt=\"iBasso DC04 Ultra compatibility with phones, computers and consoles\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-lifestyle.jpg?v=1791361339\" alt=\"iBasso DC04 Ultra connected to a phone\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC\u003c\/th\u003e\n\u003ctd\u003e2 × Cirrus Logic CS43198 · FPGA · dual femtosecond oscillators · PCM 768kHz\/32-bit · native DSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e4.4mm balanced\u003c\/th\u003e\n\u003ctd\u003e980mW @ 32Ω · 1.5 \/ 4.2 \/ 6.1Vrms (low \/ mid \/ high) · THD+N 0.00011% · SNR 132dB · crosstalk 148dB · under 0.1Ω · 10Hz–80kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e3.5mm\u003c\/th\u003e\n\u003ctd\u003e280mW @ 32Ω · 0.76 \/ 2.1 \/ 3.0Vrms · THD+N 0.00022% · SNR 126dB · crosstalk 136dB · under 0.1Ω · 5Hz–75kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExtras\u003c\/th\u003e\n\u003ctd\u003eCTIA microphone · S\/PDIF coaxial out (384kHz, DSD128 DoP) · UAC 2.0 and 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003ctd\u003e0.96-inch colour display · 3 buttons · iBasso UAC app (Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize and weight\u003c\/th\u003e\n\u003ctd\u003e58 × 23.5 × 13.1mm · 37.2g · stainless steel and tempered glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/ibasso-dc04-ultra-dongle-dac-stainless-steel-photo-package.jpg?v=1791361345\" alt=\"iBasso DC04 Ultra package contents\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/IBASSODC04U_1000x504_67b26fa5-7f0f-44b8-81f0-40e5434864b3.jpg?v=1790785091\" alt=\"iBasso DC04 Ultra dongle DAC\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe stainless steel body is heavier than aluminium dongles but very durable.\u003c\/li\u003e\n\u003cli\u003eIn the box: DC04 Ultra, USB-C to USB-C cable, USB-C to USB-A adapter, user manual and warranty card.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iBasso","offers":[{"title":"Default Title","offer_id":62725104927107,"sku":"IBASSODC04U-STEEL","price":119.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0960\/3199\/8339\/files\/IBASSODC04U-STEEL_29e8b277-bb93-4723-98af-07dc4b7b494c.jpg?v=1790785567","url":"https:\/\/www.advancedmp3players.co.uk\/products\/ibasso-dc04-ultra-dongle-dac-stainless-steel","provider":"amp3","version":"1.0","type":"link"}