Denon E400 Manual

The Denon E400 is a high-performance audio receiver designed to deliver exceptional sound quality and versatility for home entertainment systems. It supports various audio formats, including Dolby TrueHD and DTS-HD Master Audio, ensuring a cinematic experience. The E400 features multiple HDMI inputs, allowing seamless connectivity with various devices, including Blu-ray players, gaming consoles, and streaming devices. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-performance audio receiver, multiple HDMI inputs, Bluetooth connectivity, built-in AM/FM tuner, and customizable sound profiles.

Feature	Description
HDMI Inputs	Multiple inputs for connecting various devices
Bluetooth Connectivity	Stream audio wirelessly from compatible devices
Built-in Tuner	AM/FM radio for listening to broadcasts
Custom Sound Profiles	Adjustable settings for different audio environments
Remote Control	Convenient control from anywhere in the room

Installation

Unpack and inspect contents. Place the receiver on a stable surface.

1. Connect speakers: Use appropriate speaker wire for connections.
2. Connect video sources: Use HDMI cables for video devices.
3. Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts.

1. Program channels automatically: Use the setup menu to scan for available stations.
2. Set audio preferences: Adjust settings for optimal sound quality.
3. Connect to Wi-Fi: If applicable, connect to your home network for streaming.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

• Audio Channels: 5.1 channel surround sound.
• Power Output: 75 watts per channel.
• Supported Formats: Dolby TrueHD, DTS-HD Master Audio.
• Connectivity: 4 HDMI inputs, Bluetooth, USB.
• Dimensions: 17.1 x 13.4 x 5.9 inches.
• Weight: 20.5 lbs.
• Power Source: 120V AC, 60Hz.

Controls and Settings

Access settings via the on-screen display or remote control. Front Panel: POWER, INPUT SELECTOR, VOLUME.

Remote: POWER, INPUT, VOLUME, MUTE, SETUP.

Audio settings: Adjust bass, treble, and balance. Configure surround sound settings for optimal performance.

Connecting Devices

Connect devices using HDMI, optical, or analog inputs.

1. Turn off the receiver and devices before connecting.
2. Match cables to ports (e.g., HDMI to HDMI).
3. Select input via the remote control.

Tip: Ensure all devices are powered off before making connections.

Playing Audio Media

Supports various audio formats including MP3, WAV, and FLAC.

1. Insert media: Use USB or connect via Bluetooth.
2. Play: Select the media source using the remote.
3. Adjust volume: Use the volume control on the remote or receiver.

WARNING! Avoid excessive volume levels to prevent hearing damage.

Accessibility Features

Closed Captions: Enable in settings for accessible viewing. Audio descriptions available for select media.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; avoid liquids or aerosols.

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2026 Denon; trademarks of Denon Electronics.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; point at IR sensor; install fresh batteries.
No sound	Connections/mute	Ensure receiver is on; check connections; adjust mute.
Picture not clear	Settings	Adjust settings for optimal video output.
Channels not programming	Antenna/menu	Use auto-program in menu; ensure antenna connected.
Media not playing	Format/loading	Ensure media is compatible; check for damage.

Reset: Menu > System > Reset if available.

Service: 1-800-555-0199; www.denon.com