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iBasso DC04 Ultra Portable DAC & Amp - Silver

Name: iBasso DC04 Ultra Portable DAC & Amp - Silver
Brand: iBasso
SKU: DC04ULTRASTL
Price: 119 GBP
Availability: InStock

In Stock - 1 Left.

Standard Items (DPD)

Usually bookshelf speakers*

Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery
Express Deliveries Order by 3pm Mon-Fri	Next weekday pre 10.30am - £20 for up to 2 boxes + £5 per additional box Next weekday pre 12.30pm - £15 for up to 2 boxes + £5 per additional box
Weekend Deliveries Order by 3pm Friday	£15 for the first box + £3 per additional box
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	2 weekday remote service - £20 for first 2 items + £9 per additional box 2 to 5 weekday off-shore service - £30 for first 2 items + £9 per additional box

Medium Sized Items (FEDEX)

Usually TVs under 60" or £1000, and most floorstanding speakers*

Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery
Express Deliveries Order by 3pm Mon-Fri	Next weekday delivery - £20
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

Large or Heavy Items (BJS)

Usually TVs over 60" or £1000, and heavy separates over 35kg*

Standard Deliveries Order by 3pm Mon-Fri	Free 2-3 weekday, 2-man delivery
Express Deliveries Order by 3pm Mon-Fri	✗
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

Pallet Sized Items (PALLETFORCE)

Usually large/high-end floorstanding speakers or subs*

Standard Deliveries Order by 3pm Mon-Fri	2 weekday kerbside delivery - £50 per item
Express Deliveries Order by 3pm Mon-Fri	✗
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

*Not exclusive to only these product types. Product value, weight, and fragility can influence the courier service used.

	Standard Items* DPD	Medium Sized Items* FEDEX or DPD Freight	Large or Heavy Items* BJS (2-man delivery)	Pallet Sized Items* PALLETFORE
Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery	Free 2 weekday delivery	Free 3-5 weekday, 2-man delivery	2 weekday kerbside delivery - £50 per item
Express Deliveries Order by 3pm Mon-Fri	Next Weekday or Choose a Day Standard - £10 for the first box + £3 per additional box Next Weekday or Choose a Day Pre-12pm Noon - £15 for the first box + £3 per additional box	Next weekday delivery - £20	✕	✕
Weekend Deliveries Order by 3pm Friday	£15 for the first box + £3 per additional box	✕	✕	✕
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	2 weekday remote service - £20 for first 2 boxes + £9 per additional box 2 to 5 weekday off-shore service - £30 for first 2 boxes + £9 per additional box	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations

*See below most common product types for each delivery service, this is not exclusive to only these product types. Product value, weight, and fragility can influence the courier service used.

DPD: Usually Bookshelf Speakers
FEDEX: Usually TVs under 60" or £1000, and most floorstanding speakers
BJS: Usually TVs over 60" or £1000, and heavy separates over 35kg
PALLETFORCE: Usually large/high-end floorstanding speakers or subs

The iBasso DC04 Ultra is a powerful portable DAC and headphone amplifier designed to deliver desktop-class performance from a compact dongle. Its dual CS43198 DACs support PCM up to 768kHz and DSD512, while the fully balanced amplifier produces up to 980mW + 980mW into 32Ω. A stainless-steel chassis, colour display, 10-band PEQ, Bluetooth-compatible device connectivity and 3.5mm microphone support provide exceptional versatility for music, gaming and everyday listening.

DC04 Ultra

980mW @ 32Ω | Call-ready | Stainless Steel Chassis | An Ultra-grade Dongle
DC04U is not just an evolution of the DC04PRO, but a complete "ultra-grade" overhaul. With a powerful output of 980mW + 980mW @ 32Ω, support for 3.5mm microphone calls, and a stainless-steel shell, it delivers a comprehensive upgrade in both functionality and user experience. The DC04U is a dingle with exceptional driving power and outstanding usability. Compared to the DC04PRO, its power consumption is slightly higher by 3.6%, but its effective drive power is increased by 2.5x, demonstrating excellent power efficiency.

Peak Driving Ability | Always "Desktop Mode"
The DC04U requires no external power supply while continuously delivering a stable output of up to 980mW + 980mW @ 32Ω. Driving in-ear monitors? A piece of cake. Powering full-size headphones? Effortless. No external power needed, fully unlocking the potential of various headphones. The dongle is now stepping into the era of wall-level output power.

Multi-coloured Display | A More Vibrant User Experience
The 0.96-inch multi-colour display features dynamic visuals, perfectly blending a sense of technology with practicality. The three physical buttons on the side provide clear tactile feedback for volume adjustment, filter switching, gain switching, and channel balance setting. From basic operations to fine-tuning settings, everything can be done with a single button press directly on the device, without relying on Apps.

Dual CS43198 | The Flagship DAC With a New Feature
Featuring dual CS43198 flagship DAC chips, which create a four-channel true balanced circuit. The DC04U supports PCM 768kHz / DSD512 hardware decoding and uses DRE dynamic enhancement to perfectly eliminate 0dB distortion. Leveraging iBasso's many years of refined tuning experience, the DC04U fully unlocks the potential of this "old friend": delivering clear sound, expansive soundstage, and a naturally pleasing listening experience.

FPGA + Femtosecond Oscillator | Designed for Exceptional Sound Quality
Exceptional sound quality begins with a precise clock and data reproduction. The DC4U utilises iBasso's accumulated FPGA audio algorithms, paired with dual femtosecond oscillators. This structure significantly reduces jitter during digital signal transmission, ensuring that the entire transmission chain delivers pure audio signals, resulting in a more authentic, clearer, and more natural listening experience.

Balanced Headphone Amplifier | Power Supply Allows ±0.1V Precise Adjustment
Equipped with an independent four-channel balanced headphone amplifier circuit, featuring a refined signal amplification path is designed to achieve superior channel separation and high driving ability. The headphone amplifier power supply ranges from ±4V to ±6V, with each level adjustable in ±0.1V increments, offering more versatile options. Whether for in-ear monitors or full-size headphones, it can drive them with ease.

Top Quality Parts, For Top Quality Result

Monolithic inductors with ultra-low internal resistance and minimal loss

Rubycon electronic capacitor for punching bass and pure sound

In-house developed FPGA algorithms for unified clock and data reproduction

Dual femtosecond oscillators significantly reduce phase noise

CNC stainless steel chassis for an excellent tactile feel

Android APK Upgraded | Support of 10-band PEQ
With the Android APK, all functions and settings are accessible. Powered by a high-performance DSP chip, it includes 7 preset EQs and 3 customisable EQ options, allowing free adjustments to suit various listening preferences. Through the iBasso UAC APK, you can achieve detailed tuning with a 10-band PEQ, personalised just for you!

100 levels of hardware volume adjustment

5 digital filters options

3 options of high, medium, and low gain

20 levels of channel balance adjustment

3 DRE mode selections

10-bands of PEQ

2 dynamic/static theme options

7 colours of theme options

2 UAC 1.0/2.0 protocols

Tough Sound Quality | Tough Stainless Steel Chassis
Sound quality confidently rivals the best, and the housing is equally tough. Crafted from stainless steel with CNC precision machining, the enclosure's strength far surpasses that of ordinary aluminium alloys, effectively resisting daily bumps and scratches. The brushed finish reflects the aesthetic pursuit of mechanical artistry.

Compatibility with Smartphones, Computers, & Gaming Consoles | Supports of 3.5mm Microphone
The DC04U supports seamless switching between UAC 2.0 and UAC 1.0 protocols and is widely compatible with various device platforms. The 3.5mm interface also supports SPDIF output and microphone.

UAC 2.0 Mode: for connecting to iOS, Android smartphones, tablets, and also supports Windows, MAC OS, and Linux computers

UAC 1.0 Mode: instantly transforms into an external sound card for gaming consoles like Switch 2 and PS5. Gaming sound quality has never been so clear

SPDIF Mode: enables PCM 384kHz and DSD128 DoP digital signal transmission. Turn on the SPDIF output mode via internal settings or iBasso Android

Microphone On/Off: the microphone can be toggled on or off via the internal settings or in iBasso's UAC app. The 3.5mm interface supports high-quality microphone calls (CTIA protocol), making gaming chats more enjoyable

Name	Description	Lifetime
CART	The association with your shopping cart.	1 Year
CATEGORY_INFO	Allows pages to be displayed more quickly.	1 Year
COMPARE	The items that you have in the Compare Products list.	1 Year
CUSTOMER	An encrypted version of your customer id.	1 Year
CUSTOMER_AUTH	An indicator if you are signed into the store.	1 Year
CUSTOMER_INFO	An encrypted version of the customer group you belong to.	1 Year

Name	Description	Lifetime
CUSTOMER_SEGMENT_IDS	Stores your Customer Segment ID	1 Year
EXTERNAL_NO_CACHE	A flag that, indicates whether caching is on or off.	1 Year
FRONTEND	Your session ID on the server.	1 Year
GUEST-VIEW	Allows guests to edit their orders.	1 Year
LAST_CATEGORY	The last category you visited.	1 Year
LAST_PRODUCT	The last product you looked at.	1 Year
NEWMESSAGE	Indicates whether a new message has been received.	1 Year
NO_CACHE	Indicates whether it is allowed to use cache.	1 Year
PERSISTENT_SHOPPING_CART	A link to information about your cart and viewing history if you have asked the site.	1 Year

Name	Description	Lifetime
RECENTLYCOMPARED	The items you recently compared.	1 Year
STF	Information on products you emailed to friends.	1 Year
STORE	The store view or language you have selected.	1 Year
USER_ALLOWED_SAVE_COOKIE	Indicates whether a customer authorized cookies.	1 Year
VIEWED_PRODUCT_IDS	The products that you recently looked at.	1 Year
WISHLIST	An encrypted list of products added to your wish list.	1 Year
WISHLIST_CNT	The number of items in your wish list.	1 Year

General Specifications
DAC Chipset	Dual Cirrus Logic CS43198
PCM	Up to 32-bit/768kHz
DSD	Native DSD512x
Dimensions	23.5mm x 58mm x 13.1mm
Weight	37.2g
4.4mm Balanced Output
THD+N	-119dB (0.00011%) @ 1kHz, 300Ω load
Output Voltage	1.5Vrms (Low Gain) 4.2Vrms (Mid Gain) 6.1Vrms (High Gain)
Output Power	980mW + 980mW @ 32Ω
Frequency Response	10Hz–80kHz, -0.5dB
Signal-to-Noise Ratio	132dB
Dynamic Range	132dB
Output Impedance	<0.1Ω
Crosstalk	148dB
3.5mm Single-Ended Output
THD+N	-113dB (0.00022%) @ 1kHz, 300Ω load
Output Voltage	0.76Vrms (Low Gain) 2.1Vrms (Mid Gain) 3.0Vrms (High Gain)
Output Power	280mW + 280mW @ 32Ω
Frequency Response	5Hz–75kHz, -0.5dB
Signal-to-Noise Ratio	126dB
Dynamic Range	129dB
Output Impedance	<0.1Ω
Crosstalk	136dB

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iBasso DC04 Ultra Portable DAC & Amp - Silver

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