Key facts
- Manuals
- 2
- Languages
- ZH
- Last added
- 2026-10-01
Featured LOUD Audio manuals

LOUD Audio THUMP12BST THUMP15BST Active Subwoofer User Manual
This manual provides safety instructions, installation guidance, and operating procedures for the LOUD Audio THUMP12BST and THUMP15BST active subwoofers. It includes detailed wiring diagrams, rear‑panel function descriptions, and configuration options such as speaker modes and Bluetooth connectivity.
The document also contains technical specifications, dimensions, and warranty information, as well as a quick‑start guide for connecting the speakers to mixers, microphones, and Bluetooth sources in various venue sizes—from small clubs to large concert halls. This manual is written in Chinese.
Covers: 重要的安全说明 · 介绍/开始 · 接线图 · 后面板功能 · THUMP连接应用程序 · 电源连接

LOUD Audio CR8S-XBT Subwoofer User Manual
This manual explains how to safely install and operate the LOUD Audio CR8S‑XBT subwoofer. It covers safety warnings, power connection, input and output controls, and proper placement for optimal low‑frequency performance.
The guide also details Bluetooth pairing, polarity switching, cleaning, and warranty information, with wiring diagrams and technical specifications for the subwoofer and its optional CRDV desktop volume controller. This manual is written in Chinese.
Covers: Safety Instructions · Power Connection and Switch · Signal Input and Output · Bluetooth Pairing and Operation · Polarity Switch · Rear Panel Features
Latest LOUD Audio manuals
LOUD Audio THUMP12BST THUMP15BST Active Subwoofer User Manual
User Manual 30 pages · 9.3 MB · ZHUser manual for LOUD Audio THUMP12BST and THUMP15BST active subwoofers, covering safety, setup, connections, and operation.
LOUD Audio CR8S-XBT Subwoofer User Manual
User Manual 17 pages · 1.4 MB · ZHThe LOUD Audio CR8S‑XBT subwoofer user manual provides safety instructions, setup steps, Bluetooth pairing, and maintenance guidance.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in LOUD Audio manuals
How is the speaker powered on and off?
Press the rocker switch on the rear panel inward at the top to turn the speaker on, and press it inward at the bottom to turn it off.
From: LOUD Audio THUMP12BST THUMP15BST Active Subwoofer User Manual
