Sony ULT FIELD 5 Wireless Portable Speaker Wireless Portable Speaker | ULT POWER SOUND

ULT FIELD 5 Wireless Portable Speaker | ULT POWER SOUND Series

SRS-ULT50

Enjoy a superior music experience with powerful boosted sound, deep bass and 360° Party Light, all in a speaker made to be carried, so it can come right along with you.

Massive Bass. Ultimate Vibe.

ULT POWER SOUND series – Dive into the front row of a concert with headphones and speakers built for music lovers. Experience heart-pounding audio with dynamic sound and massive bass. Get ready for the ultimate vibe.

Experience music with powerful boosted sound

Get ready to experience powerful boosted sound with an ULT button for deeper bass that is set to transform your sound.

For music on the move

With a shoulder strap, long battery life and durabilities like water, dust and rustproof, you can take this speaker anywhere you want to go without worrying.

More functions. More entertainment.

We've added additional functions, like 360° Party Light and Party Connect, to help you find more ways to enjoy your music. The indirect illumination will produce an ambient light that will fill your room in a way that matches your mood and the style of your music.

SPECIFICATION

Speaker Section

System: 2‑way speaker with X‑Balanced woofer (approx. 79 × 107 mm / 3.2″ × 4.3″) and 2 tweeters (approx. Ø 46 mm / 1.9″)

Passive Radiators: Two side-mounted units for enhanced bass extension

Audio & Modes

Bass Modes (ULT POWER SOUND): Two modes—ULT1 (deep bass) and ULT2 (punchy, powerful bass)

Equalizer: Customizable 10‑band graphic EQ via Sony Sound Connect app

Sound Field Optimizer: Automatically adapts EQ to ambient noise levels

Connectivity

Bluetooth Version: 5.3 with Multipoint (connect two devices simultaneously)

Audio Codecs Supported: SBC, AAC, LDAC

Auxiliary Input: 3.5 mm stereo input available

Fast Pair: Android Fast Pair support

Features & Extras

360° Party Lights: Synchronized LED lighting at both ends, controllable via app; affects battery life (approx. 10 h with light on, dropping to ~2.5 h at max volume) The VergedigiDirect

Speaker Pairing: Stereo Pair and Party Connect (up to 100 ULT speakers)

Battery Care Function: Extends battery lifespan by regulating charging behavior

Form Factor: Horizontally or vertically oriented placement supported; detachable shoulder strap included

Durability & Build

Ingress Protection: IP66 / IP67 waterproof and dustproof rating—can withstand splash, dust, and temporary immersion

Weight & Dimensions: Approx. 3.3 kg (7 lb 5 oz); 320 × 144 × 125 mm (12.6″ × 5.7″ × 5.0″)