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USB-C DONGLE · CS43131 × 2

iBasso DC03PRO

A USB-C dongle with two CS43131 DAC chips, a 3.5 mm output. Weight 10.5 g.

Manufacturer page · Price history

POWER AT 32 Ω98mW3.5 mm, per channel not stated
OUTPUT IMPEDANCENot statedNo data from the manufacturer
SNR127dBas iBasso states it
PRICE$69Lowest price at iBasso store
OUTPUTS3.5 mm
DAC CHIPCS43131 × 2
PARAMETRIC EQNot statediBasso lists none
CONTOURNot supported

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

Outputs and power

3.5 mm
98mWat 32 Ω
Spec image: 98 mW at 32 Ω, measured by the AP525, per channel or both channels not stated
Output impedance -
SNR127 dB

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

Is it enough for your headphones?

iBasso rates the DC03PRO at 98 mW into 32 Ω. 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. 49 mW at 16 Ω+19 dB
Most IEMsTypical in-ears, 16 to 50 Ω
needs 3.2 mW98 mW at 32 Ω+15 dB
Easy-to-drive headphonesClosed and portable, 32 Ω
needs 16 mW98 mW at 32 Ω+8 dB
Hard-to-drive headphones300 Ω, HD 600 class, hungry for voltage
needs 20 mWest. 10 mW at 300 Ω3 dB short
Most planarsPlanar magnetic, low impedance, need current
needs 50 mW98 mW at 32 Ω+3 dB
Demanding planarsThe hardest loads, desktop territory
needs 251 mWest. 52 mW at 60 Ω7 dB short

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$69The HiFi Cat · sold out, read 11 Nov 2026$60.03

Price historyCompare prices on Soundblooms Deals

The device

From iBasso's spec images unless marked
InputUSB-C
FormatsPCM up to 32-bit / 384 kHz, DSD256
DAC chipCS43131 × 2
AppiBasso UAC APP
Parametric EQNo data from the manufacturer. Not supported in Contour.
Size49.4 × 21 × 8 mm
Weight10.5 g

How it stacks up against the competition

Power at 32 Ω · price in US dollars
50 mW100 mW200 mW10 mW$50$70$100scale breaks hereMost IEMs need 3.2 mW+15 dB to spareiBasso DC04PRO: 280 mW at 32 Ω, $119Questyle M12i: 21 mW at 32 Ω, $49MOONDROP DAWN 4.4: 230 mW at 32 Ω, $69.99TANCHJIM SPACE LITE: 98 mW at 32 Ω, $39.99SPACE LITEFiiO KA1: 45 mW at 32 Ω, $59.99FiiO KA3: 235 mW at 32 Ω, $95.94Snowsky Melody: 250 mW at 32 Ω, $39.99iBasso DC05: 93 mW at 32 Ω, $69DC05Hidizs S3 PRO: 55 mW at 32 Ω, $39.99Hidizs S9: 125 mW at 32 Ω, $49.99S9Hidizs S9 PRO: 200 mW at 32 Ω, $65.99Hidizs S9 Pro Plus Martha: 180 mW at 32 Ω, $65.99Hidizs S8 Pro Robin: 160 mW at 32 Ω, $59.99S8 Pro RobinHidizs XO: 195 mW at 32 Ω, $40.99MOONDROP DAWN PRO 2: 62 mW at 32 Ω, $59.99TempoTec Sonata BHD Pro: 280 mW at 32 Ω, $59.90TempoTec Sonata HD III: 70 mW at 32 Ω, $45.90Sonata HD IIIShanling UA2: 195 mW at 32 Ω, $85Shanling UA3: 210 mW at 32 Ω, $109Shanling UA4: 227 mW at 32 Ω, $99iFi GO link: 70 mW at 32 Ω, $59GO linkiFi GO link Max: 241 mW at 32 Ω, $79JCALLY AP7: 70 mW at 32 Ω, ~$45.73AP7JCALLY JM30PRO: 31.3 mW at 32 Ω, ~$46.49JCALLY SP30: 31.3 mW at 32 Ω, ~$54.61NiceHCK PureAural: 210 mW at 32 Ω, $59.99iBasso DC03PRO50 mW100 mW200 mW10 mW$50$70$100scale breaks hereMost IEMs need 3.2 mW+15 dB to spareiBasso DC04PRO: 280 mW at 32 Ω, $119Questyle M12i: 21 mW at 32 Ω, $49MOONDROP DAWN 4.4: 230 mW at 32 Ω, $69.99TANCHJIM SPACE LITE: 98 mW at 32 Ω, $39.99SPACE LITEFiiO KA1: 45 mW at 32 Ω, $59.99FiiO KA3: 235 mW at 32 Ω, $95.94Snowsky Melody: 250 mW at 32 Ω, $39.99iBasso DC05: 93 mW at 32 Ω, $69DC05Hidizs S3 PRO: 55 mW at 32 Ω, $39.99Hidizs S9: 125 mW at 32 Ω, $49.99S9Hidizs S9 PRO: 200 mW at 32 Ω, $65.99S9 PROHidizs S9 Pro Plus Martha: 180 mW at 32 Ω, $65.99S9 Pro Plus MarthaHidizs S8 Pro Robin: 160 mW at 32 Ω, $59.99S8 Pro RobinHidizs XO: 195 mW at 32 Ω, $40.99MOONDROP DAWN PRO 2: 62 mW at 32 Ω, $59.99DAWN PRO 2TempoTec Sonata BHD Pro: 280 mW at 32 Ω, $59.90TempoTec Sonata HD III: 70 mW at 32 Ω, $45.90Sonata HD IIIShanling UA2: 195 mW at 32 Ω, $85Shanling UA3: 210 mW at 32 Ω, $109Shanling UA4: 227 mW at 32 Ω, $99iFi GO link: 70 mW at 32 Ω, $59GO linkiFi GO link Max: 241 mW at 32 Ω, $79JCALLY AP7: 70 mW at 32 Ω, ~$45.73AP7JCALLY JM30PRO: 31.3 mW at 32 Ω, ~$46.49JCALLY SP30: 31.3 mW at 32 Ω, ~$54.61NiceHCK PureAural: 210 mW at 32 Ω, $59.99iBasso DC03PRO
  • Nearby
  • Same DAC chip
  • Most IEMs, 3.2 mW

Devices with the same DAC chip

CS43131 · 24 devices use it
JCALLYJM30L31.25 mW$26.9931.25 mW · $26.99
JCALLYJM3031.25 mW~$2731.25 mW · ~$27
FiiOKA11200 mWNoSGM8262$29.99200 mW · $29.99PEQ No · Amp SGM8262
JCALLYJM20MAX195 mWSGM8262$29.99195 mW · $29.99Amp SGM8262
TRNWorks with ContourBlack Pearl320 mWWorks with Contour10 bands$31.44320 mW · $31.44PEQ Yes, 10 bands
JCALLYJM2031.25 mW~$31.6431.25 mW · ~$31.64
FiiOKA2≥153 mWNo$34.59≥153 mW · $34.59PEQ No
JCALLYJM20 PRO31.25 mWYes8 bands~$35.4631.25 mW · ~$35.46PEQ Yes, 8 bands
TANCHJIMSPACE LITE98 mW$39.9998 mW · $39.99
SnowskyWorks with ContourMelody>250 mW0.736 ΩMeasuredWorks with Contour10 bands$39.99>250 mW · 0.736 Ω · $39.99PEQ Yes, 10 bands
JCALLYJM30PRO31.25 mW~$46.4931.25 mW · ~$46.49
JCALLYSP3031.25 mW~$54.6131.25 mW · ~$54.61

All 24 in the finder

Compared with

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

iBasso DC03 PRO vs iBasso DC04 PRO

At 32 Ω iBasso DC03 PRO is listed at 98 mW and iBasso DC04 PRO at 280 mW; the lowest prices are $69 and $119, $50 apart.

iBasso DC03 PRO vs iBasso DC04 PRO: the manufacturers' stated figures and today's lowest price, side by side
iBasso DC03 PROiBasso DC04 PRO
Power at 32 Ω98 mW3.5 mm, measured by the AP525280 mW4.4 mm balanced
Price today$69iBasso store, 16 Oct$119iBasso store, 16 Oct
DAC chipCS43131 × 2Cirrus Logic CS43131 × 2
InputsUSB-CUSB-C
Outputs3.5 mm4.4 mm balanced · 3.5 mm
Size49.4 × 21 × 8 mm59 × 23.4 × 12.1 mm
Weight10.5 g21 g

iBasso DC03 PRO price history · iBasso DC04 PRO price history

More like this

More portable DAC amps

Sources

Checked 14 Oct 2026
DC03PRO official product
ibasso.com · the product page
Used for lifecycle
DC03PRO product page
ibasso.com · the spec image
Used for outputs and the app
DC03PRO product page
ibasso.com · the spec image
Used for the app