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This book is the software manual for Quest QXD amplifiers. It describes the web interface, the front-panel software, and the control API used by third-party systems. It is written against firmware v1.0.0. Later firmware may add screens or change a range; if th...

A new (or factory-reset) amplifier starts its own Wi-Fi access point so you can reach the web interface without a LAN. What the unit broadcasts Item Factory default Access point SSID QXD-AP-XXXX Access point password passwordXXXX Web address http://192.168.4.1...

The web interface is a single-page application served by the amplifier. It works in a modern desktop or mobile browser. No app install is required. Layout Left sidebar — main navigation. Top bar — page title, light/dark theme toggle, and the signed-in account....

Sidebar: Dashboard Address: /#/dashboard The dashboard is the home page. It shows live level meters only — there are no controls to adjust here. Meter groups Four groups are arranged in a 2×2 grid on a desktop browser: Group Channels Analogue Inputs A1–A4 Dig...

Understanding the path makes the four audio pages and Output Routing fall into place. A zone selects one source. That source can be an analogue input, a digital input, a mix bus, or the generator. Mix buses are optional — use them only when a zone should hear ...

Sidebar: Inputs Address: /#/audio/inputs Three tabs: Analogue, Digital, and Generator. Analogue 1–4 Each card shows the channel number, name, a live meter, and: Sensitivity Exclusive buttons. Choose the expected maximum input level: Setting Use +12 dBu Factor...

Mix Bus Sidebar: Mix Bus Address: /#/audio/mixbus Four mix buses, default names Mix Bus 1–4. Click a name to rename it (23 characters). Each bus has eight send sliders: Analogue 1–4 (using the current input names) Digital 1–4 Control Range Send level −80.0 to...

Sidebar: Speaker Outputs Address: /#/audio/outputs Four amplifier channels, default names Output 1–4. Each active channel has a live meter, mode badge, and (when relevant) Muted and INV badges. Mute, polarity, and mode Control Meaning Mute / Unmute Mutes that...

User EQ is available on analogue inputs (5 bands) and speaker outputs (10 bands). Speaker presets carry a further 15 bands that you do not edit in the browser. The front panel cannot edit EQ. It can only Reset Advanced, which turns the user bands off. Opening ...

Output Routing Sidebar: Settings → Output Routing Address: /#/setup/output-routing This page sets the source of each expansion output (the digital / Dante / card outputs), not the four power-amplifier channels. Each Expansion Output 1–4 has a Source menu: Sou...

Sidebar: Settings → Device Address: /#/setup/device Amplifier Status Address: /#/setup/device/amplifier — all users. Field Meaning Amplifier Status Normal Operation, Standby Mode, Fault Detected, Powered Off Fault Code Shown only when a fault is present Devi...

The amplifier can use Ethernet, a Wi-Fi client, a Wi-Fi access point, or a combination. Status pages are available to every signed-in user. Changing addresses requires an administrator. Changing a static IP restarts the device. Confirm the warning and reconnec...

Power management Sidebar: Settings → Power Management Address: /#/setup/power Requires: administrator Auto On Mode When the amplifier comes out of standby Audio Audio activity on the output path (analogue or digital). Audio (Eco) Analogue input activity. Digi...

This page describes the Front Panel Display. Turn the encoder to move; press to select. Every list ends with BACK. Changes stay in sync with the web interface. The home screen is METERS. After 30 seconds of encoder inactivity the panel returns there. That time...

The HTTP and WebSocket control API is documented separately: QXD Series API Docs

Cannot open the web interface Confirm the amplifier is powered and the front panel is up. Wi-Fi AP: join QXD-AP-XXXX / passwordXXXX and browse to http://192.168.4.1. Read the SSID from Status → WIFI AP (the panel does not show the password). Ethernet: read ...