Sony SRSULT70: Deep Bass and Party Power in a Portable Speaker

The Sony SRSULT70, also known as the ULT FIELD 7, delivers powerful bass, lighting effects, and versatile connectivity for gatherings indoors or out. Those who want music on the go will appreciate how this model blends a rugged build with advanced sound features. The ULT FIELD 7 wireless speaker brings bold sound, lively light shows, and impressive battery life wherever needed.

ULT Button and X-Balanced Speaker Technology

Standout technology includes the X-Balanced speaker units and the ULT button, offering two distinct bass experiences. Switch between deep, extended bass or energetic punch to set the mood at any event. Integrated RGB ring lighting and compatibility with Sony Music Center and Fiestable apps let you control both sound and visuals.

Connectivity and Playback Flexibility

Multiple connection and playback options provide real flexibility. Stream music via Bluetooth 5.2, connect through the AUX input, or use the USB-A port for wired devices and charging. Guitarists and vocalists can plug in with the 1/4" input—real-time echo and key control make karaoke and jam sessions more dynamic. Multi-point Bluetooth and Party Connect add even more ways to enjoy your music.

• Bluetooth Version: 5.2 — stable wireless streaming and multi-device pairing
• Inputs: USB-A, AUX (3.5 mm), 1/4" guitar/mic — flexible for music, vocals, or instruments
• With support for the Sony Music Center and Fiestable apps, you control EQ, lighting, and DJ effects directly from your phone.

Sound Performance and Battery Life

This model's speaker configuration is designed to energize parties with full-range sound and long-lasting playback. ULT modes let users pick between punchy impact or deep sub-bass, and sound field optimization adapts to changing environments automatically.

• Drivers: 2 x 114 mm woofers, 2 x 46 mm tweeters — delivers room-filling, balanced sound
• Listen all day with up to 30 hours of battery life for uninterrupted music at events.
• Quick Charge: 3 hours playback from 10 minutes charge — music stays on even with little downtime

Durability and Portability

Ready for real-world use, the SRSULT70 withstands rough conditions and remains easy to move. Four built-in handles and sturdy end caps keep it travel-ready, while IP67 certification ensures dust and water won’t disrupt your plans.

• Weight: 6.3 kg — manageable for regular transport
• Its 512 x 224 x 222 mm footprint fits in a car trunk or next to your backpack without issue.
• Water/Dust Resistance: IP67 — worry-free outdoor use

Who Is It For?

This model suits music fans who want bass-driven, lively sound in a portable, durable package. The SRSULT70 is made for party hosts, outdoor enthusiasts, and anyone looking for a speaker that handles karaoke, instrument input, and group listening—combining performance with fun features.