AA S103

“First time I saw the Audio Alto sphere speakers… it was love at first sight. I am done looking for the perfect speaker.” T. P.

Very much the enthusiast’s choice the S103 is ideal for audiophile users whose priorities are depth, clarity and detail. Capable of delivering astonishing musical richness the S103‘s bass response carries weight and authority while mid and high frequencies are strong and detailed.

Featuring driver cones made from a new thin-wall alloy for ultra low mass the S103 operates efficiently over an extremely wide frequency and can achieve sound pressures of more than 100dB with minimum distortion. Above 100Hz electrical and acoustic phase integrity is maintained.
S103 includes fulrange driver and separate subwoofer units making it ideal for medium size rooms (up to 50m2).

Impedance 6 ohm
Frequency range 30 – 23.000 Hz +- 3 dB
Sensitivity 87 dB
Phase shift above 100Hz
from +20 deg. to -5 deg.
Room size up to 50 m2
Dimensions subwoofer  (W x D x H) 400 x 480 x 610 mm
FR speaker (W x D x H) 290 x 350 x 1200 mm
Weight Subwoofer 35 kg
FR speaker 23 kg
Finish Upon order in various colors and wood
Best offer
The AA S103 speaker (pair) is available from
9.855
To obtain detailed pricing information, please contact us.