Shop
Eight pieces,
tuned in one room.
Eight house pieces, tuned in one room in Rotterdam and listed in euro. Each card carries the sound we hear, then the price.
Oto Audio — shop
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Oto H1 Open
Oto H1 Open
Airy and wide, light bass.
€349 -
Oto H2 Closed
Oto H2 Closed
Close and warm, firm bass, keeps sound in.
€299 -
Oto P7 Planar
Oto P7 Planar
Even and detailed, deep bass.
€890 -
Oto A10 Desktop Amplifier
Oto A10 Desktop Amplifier
Quiet background, drives planars.
€420 -
Oto A40 Integrated Amplifier
Oto A40 Integrated Amplifier
Relaxed, full, 2 × 40 W.
€1,290 -
Oto D2 USB DAC
Oto D2 USB DAC
Neutral, low noise.
€260 -
Oto S5 Bookshelf Speakers (pair)
Oto S5 Bookshelf Speakers (pair)
Open midrange for small rooms.
€780 -
Oto S8 Floorstanding Speakers (pair)
Oto S8 Floorstanding Speakers (pair)
Full range, for 20–35 m².
€2,150
The range
Headphones, in the words we use
Oto H1 Open is airy and wide, with light bass. It is an open-back dynamic headphone with a 50 mm driver, impedance of 32 Ω and a weight of 290 g. It leaks sound. It is at its best with any phone or DAC.
Oto H2 Closed is close and warm, with firm bass, and it keeps sound in. It is a closed-back dynamic headphone with a 40 mm driver, 24 Ω and 275 g. It leaks very little. We suggest it for a phone, for night and for travel.
Oto P7 Planar is even and detailed, with deep bass. It is an open-back planar headphone with a 90 mm planar driver, 18 Ω and 420 g. It leaks sound. It is at its best with the A10 or the A40.
Amplifiers, DAC, speakers
One amplifier for every room.
Oto A10 Desktop Amplifier has a quiet background and drives planars. It is Class A, with two outputs, and it pairs with the P7 planar. Power is 1.2 W into 32 Ω. It has two analogue inputs and outputs on 6.35 mm and 4.4 mm. The sound is quiet and controlled. Price €420.
Oto A40 Integrated Amplifier is relaxed and full, at 2 × 40 W into 8 Ω. It has three analogue inputs plus phono, and outputs for speakers and a 6.35 mm headphone socket. It is the amplifier we pair with the S5 and the S8. Price €1,290.
Oto D2 USB DAC is neutral, with low noise. Inputs are USB-C and optical. Outputs are RCA and 3.5 mm. It is meant to sit with the A10 or the A40. Price €260.
Oto S5 Bookshelf Speakers, a pair, give an open midrange for small rooms. They are a 2-way design, 25 mm and 150 mm drivers, 86 dB, for 10–20 m², at €780. Oto S8 Floorstanding Speakers, a pair, are full range for 20–35 m²: 3-way, 25 mm, 130 mm and two 165 mm drivers, 90 dB, at €2,150. Both pairs are at their best with the A40.
Listen first
Most of what we sell, you can hear first. An hour in the room is free.