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USB-C DONGLE · CS43198 × 2

iBasso DC04 Ultra

A USB-C dongle with two CS43198 DAC chips, a 3.5 mm and a 4.4 mm balanced output. Weight 37.2 g.

Manufacturer page

POWER AT 32 Ω980mW4.4 mm balanced
OUTPUT IMPEDANCENot statedNo data from the manufacturer
SNRNot statedNo data from the manufacturer
PRICE$119Lowest price at iBasso store
OUTPUTS3.5 mm · 4.4 mm balanced
DAC CHIPCS43198 × 2
PARAMETRIC EQ10 bands
CONTOURNot supported

Numbers are the manufacturer's stated figures unless marked as measured; sources linked below.

Outputs and power

4.4 mm balanced
980mWat 32 Ω per channel
Spec image: 980 mW
Output impedance -
3.5 mm
280mWat 32 Ω per channel
Spec image: 280 mW
Output impedance -

Not stated: gain, supply voltage, SNR, distortion, crosstalk.

Is it enough for your headphones?

iBasso rates the DC04 Ultra at 980 mW into 32 Ω from the 4.4 mm balanced output. Below is how much of that is left to spare for each kind of headphones when you listen loud, with peaks at 110 dB. A figure marked est. is worked out from that rating.

Sensitive IEMsMulti-driver sets that hiss on strong sources
needs 0.6 mWest. 490 mW at 16 Ω+29 dB
Most IEMsTypical in-ears, 16 to 50 Ω
needs 3.2 mW980 mW at 32 Ω+25 dB
Easy-to-drive headphonesClosed and portable, 32 Ω
needs 16 mW980 mW at 32 Ω+18 dB
Hard-to-drive headphones300 Ω, HD 600 class, hungry for voltage
needs 20 mWest. 105 mW at 300 Ω+7 dB
Most planarsPlanar magnetic, low impedance, need current
needs 50 mW980 mW at 32 Ω+13 dB
Demanding planarsThe hardest loads, desktop territory
needs 251 mWest. 523 mW at 60 Ω+3 dB

Where to buy

Some shop links are affiliate links: if you buy through one, I may earn a commission. Your price and the order stay the same.

iBasso store · official store price, checked 16 Oct 2026$119

Compare prices on Soundblooms Deals

The device

From iBasso's spec images unless marked
InputUSB-C connection via supplied USB-C cable
FormatsPCM up to 32-bit / 768 kHz, DSD512
DAC chipCS43198 × 2
AppiBasso UAC APK
Parametric EQ10 bands in iBasso's iBasso UAC APK app. Not supported in Contour.
Size58 × 23.5 × 13.1 mm
Weight37.2 g

How it stacks up against the competition

Power at 32 Ω · price in US dollars
500 mW1 W2 W200 mW$70$100$200scale breaks hereMost IEMs need 3.2 mW+25 dB to spareFiiO KA13: 550 mW at 32 Ω, $65.99KA13FiiO KA17: 650 mW at 32 Ω, $144.99KA17FiiO KA5: 265 mW at 32 Ω, $119.99FiiO KA15: 560 mW at 32 Ω, $99.99KA15iBasso DC04PRO: 280 mW at 32 Ω, $119iBasso DC07PRO: 430 mW at 32 Ω, $199Questyle M15i: 2.41 mW at 32 Ω, $169MOONDROP MOONRIVER 2:TI: 280 mW at 32 Ω, $219.99MOONDROP DAWN 4.4: 230 mW at 32 Ω, $69.99FiiO KA3: 235 mW at 32 Ω, $95.94FiiO QX11: 800 mW at 32 Ω, $159.99QX11FiiO QX13: 900 mW at 32 Ω, $219.99iBasso DC03PRO: 98 mW at 32 Ω, $69iBasso DC05: 93 mW at 32 Ω, $69iBasso DC06: 320 mW at 32 Ω, $119iBasso DC06PRO: 320 mW at 32 Ω, $119Hidizs S9 PRO: 200 mW at 32 Ω, $65.99Hidizs S9 Pro Plus Martha: 180 mW at 32 Ω, $65.99MOONDROP MOONRIVER3: 250 mW at 32 Ω, $219.99Shanling UA2: 195 mW at 32 Ω, $85Shanling UA3: 210 mW at 32 Ω, $109Shanling UA4: 227 mW at 32 Ω, $99iFi GO link Max: 241 mW at 32 Ω, $79CrinEar Protocol Max: 300 mW at 32 Ω, $76.49 (lowest offer on /deals today)JCALLY AP20: 330 mW at 32 Ω, ~$91.88JCALLY Galaxy SONATA: 560 mW at 32 Ω, $79.99NiceHCK Octave: 550 mW at 32 Ω, $89OctaveMuse HiFi M3 Ultra: 480 mW at 32 Ω, $109.99iBasso DC04 Ultra500 mW1 W2 W100 mW$70$100$200scale breaks hereMost IEMs need 3.2 mW+25 dB to spareFiiO KA13: 550 mW at 32 Ω, $65.99KA13FiiO KA17: 650 mW at 32 Ω, $144.99KA17FiiO KA5: 265 mW at 32 Ω, $119.99FiiO KA15: 560 mW at 32 Ω, $99.99KA15iBasso DC04PRO: 280 mW at 32 Ω, $119iBasso DC07PRO: 430 mW at 32 Ω, $199DC07PROQuestyle M15i: 2.41 mW at 32 Ω, $169MOONDROP MOONRIVER 2:TI: 280 mW at 32 Ω, $219.99MOONDROP DAWN 4.4: 230 mW at 32 Ω, $69.99FiiO KA3: 235 mW at 32 Ω, $95.94FiiO QX11: 800 mW at 32 Ω, $159.99QX11FiiO QX13: 900 mW at 32 Ω, $219.99QX13iBasso DC03PRO: 98 mW at 32 Ω, $69iBasso DC05: 93 mW at 32 Ω, $69iBasso DC06: 320 mW at 32 Ω, $119iBasso DC06PRO: 320 mW at 32 Ω, $119Hidizs S9 PRO: 200 mW at 32 Ω, $65.99Hidizs S9 Pro Plus Martha: 180 mW at 32 Ω, $65.99MOONDROP MOONRIVER3: 250 mW at 32 Ω, $219.99Shanling UA2: 195 mW at 32 Ω, $85Shanling UA3: 210 mW at 32 Ω, $109Shanling UA4: 227 mW at 32 Ω, $99iFi GO link Max: 241 mW at 32 Ω, $79CrinEar Protocol Max: 300 mW at 32 Ω, $76.49 (lowest offer on /deals today)JCALLY AP20: 330 mW at 32 Ω, ~$91.88AP20JCALLY Galaxy SONATA: 560 mW at 32 Ω, $79.99Galaxy SONATANiceHCK Octave: 550 mW at 32 Ω, $89OctaveMuse HiFi M3 Ultra: 480 mW at 32 Ω, $109.99M3 UltraiBasso DC04 Ultra
  • Nearby
  • Same DAC chip
  • Most IEMs, 3.2 mW

Devices with the same DAC chip

CS43198 · 16 devices use it
JCALLYJM98MAX≈195 mW0.65 ΩYes8 bandsSGM8262$34.99≈195 mW · 0.65 Ω · $34.99PEQ Yes, 8 bands · Amp SGM8262
MOONDROPWorks with ContourDAWN PRO 262 mWEstimated0.219 ΩMeasuredWorks with Contour8 bands$59.99est. 62 mW · 0.219 Ω · $59.99PEQ Yes, 8 bands
NiceHCKPureAural210 mWYes10 bandsSGM8262$59.99210 mW · $59.99PEQ Yes, 10 bands · Amp SGM8262
TRUTHEARSHIO$69.99$69.99
CrinEarWorks with ContourProtocol Max300 mWEstimated<0.3 ΩWorks with Contour10 bandsDual SG Micro SGM8262-2$76.49est. 300 mW · <0.3 Ω · $76.49PEQ Yes, 10 bands · Amp Dual SG Micro SGM8262-2
JCALLYGalaxy SONATA≈560 mW0.65 ΩDual SGM8262$79.99≈560 mW · 0.65 Ω · $79.99Amp Dual SGM8262
FiiOWorks with ContourKA15≥560 mW0.65 ΩMeasuredWorks with Contour10 bands$99.99≥560 mW · 0.65 Ω · $99.99PEQ Yes, 10 bands
FiiOKA5≥265 mW<0.3 ΩNo8261 × 2$119.99≥265 mW · <0.3 Ω · $119.99PEQ No · Amp 8261 × 2
MOONDROPMOONRIVER 2:TI280 mW$219.99280 mW · $219.99
MOONDROPMOONRIVER3250 mWEstimatedYes$219.99est. 250 mW · $219.99PEQ Yes
FiiOJM21≥700 mW<1 ΩSGM8262 x2$259.99≥700 mW · <1 Ω · $259.99Amp SGM8262 x2
iBassoNunchaku525 mW$299525 mW · $299

All 16 in the finder

Compared with

Manufacturers' stated figures; the price is today's lowest

iBasso DC04 Ultra vs iBasso DC04 PRO

iBasso DC04 PRO is among the dongles in the catalog closest to iBasso DC04 Ultra in price: at 32 Ω iBasso DC04 Ultra is listed at 980 mW and iBasso DC04 PRO at 280 mW; the lowest prices are $119 and $119.

iBasso DC04 Ultra vs iBasso DC04 PRO: the manufacturers' stated figures and today's lowest price, side by side
iBasso DC04 UltraiBasso DC04 PRO
Power at 32 Ω980 mW4.4 mm balanced280 mW4.4 mm balanced
Price today$119iBasso store, 16 Oct$119iBasso store, 16 Oct
DAC chipCS43198 × 2Cirrus Logic CS43131 × 2
InputsUSB-C connection via supplied USB-C cableUSB-C
Outputs3.5 mm · 4.4 mm balanced4.4 mm balanced · 3.5 mm
Size58 × 23.5 × 13.1 mm59 × 23.4 × 12.1 mm
Weight37.2 g21 g

iBasso DC04 PRO price history

iBasso DC04 Ultra vs iBasso DC06

iBasso DC06 is among the dongles in the catalog closest to iBasso DC04 Ultra in price: at 32 Ω iBasso DC04 Ultra is listed at 980 mW and iBasso DC06 at 320 mW; the lowest prices are $119 and $119.

iBasso DC04 Ultra vs iBasso DC06: the manufacturers' stated figures and today's lowest price, side by side
iBasso DC04 UltraiBasso DC06
Power at 32 Ω980 mW4.4 mm balanced320 mW4.4 mm balanced
Price today$119iBasso store, 16 Oct$119HiFiGo, 16 Oct
DAC chipCS43198 × 2ES9219C × 2
InputsUSB-C connection via supplied USB-C cableUSB-C connection
Outputs3.5 mm · 4.4 mm balanced3.5 mm · 4.4 mm balanced
Size58 × 23.5 × 13.1 mmNot stated
Weight37.2 g23 g

iBasso DC04 Ultra vs iBasso DC06 PRO

iBasso DC06 PRO is among the dongles in the catalog closest to iBasso DC04 Ultra in price: at 32 Ω iBasso DC04 Ultra is listed at 980 mW and iBasso DC06 PRO at 320 mW; the lowest prices are $119 and $119.

iBasso DC04 Ultra vs iBasso DC06 PRO: the manufacturers' stated figures and today's lowest price, side by side
iBasso DC04 UltraiBasso DC06 PRO
Power at 32 Ω980 mW4.4 mm balanced320 mW4.4 mm balanced
Price today$119iBasso store, 16 Oct$119iBasso store, 16 Oct
DAC chipCS43198 × 2ES9219C × 2
InputsUSB-C connection via supplied USB-C cableUSB-C connection
Outputs3.5 mm · 4.4 mm balanced3.5 mm · 4.4 mm balanced
Size58 × 23.5 × 13.1 mm56 × 25 × 12 mm
Weight37.2 g20 g

iBasso DC06 PRO price history

More like this

More portable DAC amps

Sources

Checked 14 Oct 2026
DC04 Ultra official product
ibasso.com · the product page
DC04Ultra product page
ibasso.com · the spec image
Used for the app and parametric EQ
DC04Ultra product page
ibasso.com · the spec image
Used for parametric EQ
DC04Ultra product page
ibasso.com · the spec image
Used for the app
iBasso DC04Ultra Firmware&UAC APP
ibasso.com