Sony ULT Field 1

Natural sounding bass, clearly audible details and balanced, lively sound - this is what the perfect speaker should sound like. However, good sound quality is not everything: Stiftung Warentest also expects a test-winning speaker to be easy to use, have a long-lasting battery and consume little power...

Sony wants to offer the ultimate in good sound with the ULT Field 1. It succeeds - with some compromises. However, the sound boost with the ULT button is mandatory, otherwise the speaker sounds nasal and thin. The battery life of less than eight hours is rather poor. Sony has also dispensed with amenities such as a power bank function or additional functions.

In the speaker test, the best Bluetooth and WiFi devices score highly with their rich sound and ease of use. However, only a few offer this complete package. Natural sounding bass, clearly audible details and balanced, lively sound - this is what the perfect speaker should sound like...

The Field 1 delivers solid sound for such a small enclosure. Only the bass and features are lacking.

The Sony Ult Field 1 is a solid all-rounder among compact Bluetooth speakers. Its robust design with IP67 protection makes it a reliable companion for outdoor activities. In terms of sound, it is particularly impressive with the Ult function activated, which adds significantly more life to the sound...