Nearfield studio monitor

Amphion One18 is a trusted all-rounder and most widely used of our studio monitors. Their revealing, flat, yet pleasant character make them highly usable for all sound-making tasks in a wide variety of rooms and setups.

per piece
Estimated retail price. Prices may vary due to local taxes, shipping, and other additional costs.

Unique highlights

Industry leading translation

Trusting what you hear builds confidence, ensures better results and raises productivity. Amphion monitoring allows focusing on things that count which saves time and helps meet the ever tightening deadlines.

Pinpoint imaging

Due to their phase coherence and pinpoint imaging, Amphion monitors translate precisely to any playback device, as they allow you to correctly reproduce information in all planes including width, height, and depth.

DSP-free acoustic purity

Amphion’s advanced acoustic design minimizes electric clutter. Electrical purity allows harnessing the full power of latest signal processing devices, room-correction and other types of advanced software.

“I love the creativity of a one room studio, but it does require superior monitoring as you are often in a small space.”

Simon Goff – Film & TV Composer/Producer

Fix that pothole

Reflex ports are the cheapest way to get bass out of the small cabinet. Using a carefully tuned passive radiator improves bass performance and energy transfer by loading the room more evenly and naturally.

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Speaker cables

Specially braided silver coated copper conductor with Chord™ banana connectors. Same conductor is used as internal wiring to ensure perfect synergy. Standard lengths: 2.5m, 3.5m and 5m.

Wall & Ceiling mount

To ensure safe and speedy installation, all Amphion monitors can be equipped with our custom adaptor, which connects securely to industry-leading Konig & Meyer mounting hardware.


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Operating principle

Two-way, passive radiator


1″ titanium tweeter
6½” aluminum woofer

Crossover point

1600 Hz


8 Ω


85 dB @ 2.83V/1m

Frequency response

45 – 20 000 Hz +/-3dB

Power recommendation

100 – 350 W


380 x 191 x 305 mm


10 kg (22 lbs)

Handmade in Finland



Frequency response

Because all real control rooms have at least one surface (a floor) the speaker low end (below 100Hz) is measured in half free space. This gives a fairly accurate estimation of a very large control room, with the speaker placed far from back and side walls. As the room size decreases, the amount of bass increases, which means that the smaller speaker models are particularly well suited to smaller rooms which will support the bass response of the speaker. In other words, the plotted frequency response corresponds to the minimum amount of bass you can expect in any control room.

Support materials

Which speaker to choose?

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Honesty in all sizes