WiiM Amp Ultra vs Cambridge Audio CXN100

Why This Comparison?

These two streamers represent opposite ends of the streaming philosophy spectrum. The WiiM Amp Ultra is an all-in-one that includes a streamer, DAC, and amplifier for $369. The Cambridge Audio CXN100 is a dedicated streamer/DAC at $1,100 that requires a separate amplifier. Which approach delivers better results for your money?

Sound Comparison

Using the WiiM Amp Ultra’s line-out into the same amplifier as the CXN100, the Cambridge Audio has a clear advantage in pure DAC quality. The CXN100’s analog output stage is more refined, with better separation, lower noise, and a more three-dimensional presentation. The difference is not night-and-day, but through revealing speakers and a quality amplifier, the Cambridge reveals more texture in vocals and more air around instruments.

Through the WiiM’s built-in amplifier into efficient bookshelf speakers, the total system performance is surprisingly competitive with the CXN100 paired with a budget integrated amp. The WiiM’s ESS ES9038Q2M DAC chip is technically higher-spec than the Cambridge’s ES9028Q2M, but implementation matters more than chip specs, and Cambridge’s analog output stage is simply better engineered.

Where the WiiM excels is in the app experience. The WiiM Home app is fast, intuitive, and feature-rich, with built-in parametric EQ, room correction, and subwoofer management. Cambridge’s StreamMagic app is functional but less polished, with occasional lag and a less intuitive interface.

Build & Design

The Cambridge Audio CXN100 is clearly the more premium device. The brushed aluminum chassis, clean front panel, and overall build quality reflect its $1,100 price tag. It looks like a serious piece of hi-fi equipment and matches beautifully with the CXA81 Mk II amplifier in a Cambridge stack.

The WiiM Amp Ultra is compact and lightweight with a plastic enclosure. It does not look like $1,100 worth of audio equipment — because it is not. But its compact size and light weight make it ideal for secondary rooms, desktop setups, and multi-room audio installations.

The Value Question

The WiiM Amp Ultra at $369 is the most cost-effective path to quality streaming audio. Add a pair of KEF Q150 speakers ($300) and you have a complete, capable hi-fi system for under $700. That is extraordinary.

The Cambridge Audio CXN100 at $1,100 — plus a CXA81 Mk II amplifier at $1,500 and a pair of KEF R3 Meta speakers at $2,200 — creates a $4,800 system that sounds dramatically better. But the per-dollar performance improvement diminishes rapidly once you pass the WiiM’s price point.

For first systems, secondary rooms, and budget-conscious listeners, the WiiM Amp Ultra is the obvious choice. For dedicated listening rooms where sound quality is the priority, the Cambridge Audio CXN100 is the foundation of a serious system.