A sound stage is meant to be panoramic and the IA350 fills the room. The separation of the channels gives us a wide sound scene yet does not go beyond the surroundings of the loudspeakers. The IA350 adapts superbly to the dimensions of the listening room, but also to the speakers. The dynamics allow us to listen serenely and absolutely to all styles of music under all conditions.

Full explanation on YBA’s balanced input output

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Staying with the uncluttered style synonymous with YBA, the front panel has simply an input and volume selector. The turn on switch is cleverly concealed beneath the front left hand side of the amplifier.

The source selector toggles between many different inputs – both analog and digital. The digital inputs include an S/PDIF (75 Ohm) Coaxial digital input, a USB (24/192KHz) plus AES/EBU, I2 S, and iPod, all of which receive digital signals from separate digital components. The analog inputs include 2 RCA and 1 Balanced. All digital inputs automatically adjust to any of the standard digital-audio data-rates from 16/44.1Khz to 24/192Khz. There is one pair of RCA speaker outputs.

It is possible to switch the power to the digital section off completely if your wish is to listen at times to purely analog. The Passion IA350A also has a pre-out bypass feature, if, for example, you wish to connect an active subwoofer or active loudspeakers.

Should you wish to use your PC as a source, a driver download is required. It can be found in Reviews and Documentation. This is only necessary for Windows, MAC users do not require the download.

Additional information
Product type

Integrated Amplifier

Power output

Stereo 115W/8Ω 160W/4Ω

Line Inputs

1 Balanced
5 Digital (I2S / AES/ COAXIAL / USB /iPod

Input signal sampling rate

32, 44.1, 48, 88.2, 96, 176.4, 192 kHz/24Bit

Line Output

1 Pair RCA

Pre-out bypass





< 0.03%


High performance 24bit/192Khz CS439

Frequency Response

20 Hz – 20 kHz (-0.5 dB)



Display brightness

Adjustable from remote

Power Supply

Linear power supply with high performance
Ul-core transformer 320VA

Remote control

Full function – full metal chassis

Color / Finish

Natural aluminium

Dimensions (w x d x h)

430 x 380 x 108 mm


15.4 Kg