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MiniDsp IL-DSP
miniDSP is pleased to announce the latest merger of miniDSP's trademark digital processing with high quality headphone amplification. Featuring a full ten bands of powerful, flexible parametric EQ in a tiny bus-powered package, the IL-DSP is the mobile audiophile's perfect companion for laptop, tablet, or smartphone (macOS, Windows and Android supported). The inbuilt microphone for voice-calling ensures maximum mobile flexibility.
Housed in a light-weight aluminum enclosure, the IL-DSP sports impeccable audio specifications of 120 dB signal-to-noise ratio and 0.0007% THD+N (mid-gain). 30 mW power output per channel is ample for IEMs and most portable headphones. High-resolution PCM and DSD formats are both supported.
The ten bands of parametric EQ are configured with miniDSP's easy-to-use computer interface. The fully adjustable peaking and shelving filters allow adjustment of the audio band from the narrowest to the broadest control ranges, with up to 16 dB boost or cut in each band. This combination of DSP power, careful selection of high-quality components and a 32-bit audiophile DAC combine to create an unparalleled portable headphone experience.
Features
- XMOS XCORE200 Multicore processor - Asynchronous USB audio
- CS43130 32bit DAC, 130dB DR, 0.0007%THD, 30mW power
- 3 button control for various action depending on the mode(Play/Stop/Next/Previous/Vol Up/Vol Down/DSP on&off)
- On-board digital microphone
- Win/Mac OSx plugin
- PCM/DSD audio streaming modes
- USB Audio Class 2.0 with ASIO drivers for Windows, driverless under MAC OSx and Linux Alsa 2.0, Android OTG support
Product Downloads
- IL-DSP Datasheet
- IL-DSP User Manual
What's in the box?
- 1 x IL-DSP headphone amplifier
- 1 x microUSB to USB Type C (15cm), 1 x microUSB to USB C (70cm), 1 x microUSB to USB A(15cm),
- 1 x cable clip
- USB ASIO driver, Plugins under the UserDownloads section
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MiniDsp IL‑DSP — Pocket-sized DSP DAC-headphone amp
The miniDSP IL‑DSP is a pocket-sized USB DAC/headphone amp built around a powerful 10‑band fully parametric EQ that lets listeners sculpt headphone response with professional control. Its Cirrus Logic CS43130 DAC supplies high-resolution playback and a very low noise floor, while the DSP can tighten bass and add presence to upper mids. The amplifier is modest—about 30 mW into 32 Ω—making the IL‑DSP ideal for IEMs and efficient portable headphones rather than hard-to-drive planars. Compact build, inline mic and bundled cables favor on-the-go use. Setup requires desktop software and optional Windows drivers, and the multifunction button has shown a playback-resume quirk in testing. As Brent Butterworth of SoundStage Solo observes, for those willing to EQ, the IL‑DSP is an affordable, high-impact tool for improving headphone tonality on the go.
Pros
- Extremely flexible 10‑band fully parametric EQ with live PC/Mac control and per-channel adjustment, enabling professional-level tuning of headphones.
- High-quality Cirrus Logic CS43130 DAC and very low measured noise floor deliver clear, detailed playback suitable for IEMs and sensitive portables.
- Outstanding value — packs DSP, a capable DAC and portable conveniences (inline mic, cables) into a sub-$100 package that materially improves many headphones.
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Cons
- Limited output power (~30 mW into 32 Ω) makes it unsuitable for low-sensitivity planars and demanding high-impedance headphones.
- DSP bypasses DSD and won’t process PCM above certain rates (DSP internal rate limitations), which restricts some high-res workflows.
- Software/install flow requires downloading drivers/apps (Windows driver steps) and the multifunction button has an intermittent playback-resume quirk.
Sound Quality
78/100
The amplifier section is modest (rated around 30 mW into 32 ohms) and the reviewer explicitly says it "isn't so impressive" for dynamics, though adequate for earphones and most portable headphones. For efficient IEMs and sensitive portables it delivers lively, punchy performance, but it lacks headroom for low-sensitivity or high-impedance models.
Noise Floor
86/100
Specification S/N figures (120 dB quoted at 32 ohms, and the CS43130 DAC with high SNR) indicate a very quiet background suitable for most IEMs, and no reviewer reported audible hiss. Given strong measured S/N but absence of explicit "dead quiet/black background" language in reviews, a very-quiet but cautious score is warranted.
Headphone Compatibility
79/100
Specs list a supported impedance range of 16–600 Ω, and the reviewer states it's "enough for earphones and most portable headphones," showing good compatibility with sensitive and mid-efficiency cans. However, limited output power (30 mW @32 Ω) and the reviewer's explicit warning that it is not suitable for low-sensitivity planars or demanding high-impedance models reduce the score for universal driving capability.
Build Quality
80/100
The IL-DSP is a compact, well-equipped dongle (integral mic, solid small-form-factor accessories) showing thoughtful design for portability. The reviewer did encounter a reliability quirk with the multifunction button sometimes pausing playback and failing to restart without reconnecting, which detracts from polish.
Features Connectivity
87/100
The unit offers an impressive feature set for its class: a built-in Cirrus DAC (up to 24/192 and DSD support with caveats), USB-C XMOS controller, and a powerful 10-band fully parametric DSP with live control—features notably above a minimal amp. Extra conveniences (0.5 dB volume steps, in-line mic, per-channel EQ) and USB audio class 2 support make it a very well-featured portable DAC/amp.
Value for Money
91/100
The reviewer explicitly calls the IL-DSP a "very affordable and effective way to get better sound on the go" and cites a $99 USD price, framing the product as a strong value for the intended audience. Given its DSP power, built-in DAC, and overall utility at that price point, the IL-DSP justifies a high value score.
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