Introduction
The ZVOX AccuVoice AV455 Dialogue Clarifying Sound Bar is designed to enhance your television audio experience, particularly by clarifying dialogue and providing immersive sound. It integrates advanced hearing aid technology to separate and boost voices, making conversations easier to understand, even at lower volumes. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your AV455 sound bar.

Image: The ZVOX AccuVoice AV455 Sound Bar with its remote control, showcasing its sleek black design.
What's in the Box
Upon unpacking your ZVOX AccuVoice AV455 Sound Bar, please ensure all the following components are present:
- ZVOX AccuVoice AV455 Sound Bar
- Remote Control (2x AAA batteries included)
- ARC-HDMI cable
- Optical digital cable
- Analog to 3.5mm cable
- Power Adapter

Image: All components included in the ZVOX AV455 Sound Bar package, laid out for easy identification.
Setup
The ZVOX AV455 offers simple one-cord setup options to connect to your television. Choose the connection method that best suits your TV's available ports.
Connection Options:
- HDMI-ARC: For effortless setup, connect the included HDMI cable from the AV455's HDMI-ARC port to your TV's HDMI-ARC port. This allows you to control power, volume, and mute with your existing TV remote.
- Optical Digital: Connect the included optical digital cable from the AV455's optical input to your TV's optical output.
- Analog: Use the included analog to 3.5mm cable to connect the AV455's analog input to your TV's audio output (headphone jack or RCA outputs with an adapter, not included).
After connecting the audio cable, plug the power adapter into the sound bar and then into a wall outlet. The large, easy-to-read display will assist with navigation during setup.

Image: Visual representation of the three easy ways to connect the sound bar: Optical Digital (TOSLINK), Analog (3.5mm Headphone Jack), and HDMI-ARC.

Image: The ZVOX AV455 Sound Bar positioned below a television, demonstrating its compact size and integration into a home entertainment setup.
Operating Instructions
The ZVOX AV455 is designed for user-friendly operation. Use the included remote control to access its features.
Power On/Off:
Press the POWER button on the remote to turn the sound bar on or off. If connected via HDMI-ARC, your TV remote may also control the power.
Input Selection:
Press the INPUT button to cycle through available audio inputs (HDMI-ARC, Optical, Analog).
AccuVoice Dialogue Clarification:
Activate and adjust the patented AccuVoice technology to enhance vocal clarity. There are five AccuVoice settings to fine-tune dialogue. Press the ACCUVOICE button to cycle through the levels (AC 1 to AC 5). Higher levels provide greater dialogue boost.

Image: A visual representation of how AccuVoice technology lifts TV dialogue from background noise, with an indicator for 5 levels of dialogue boost.
PhaseCue Virtual Surround Sound:
Experience immersive 3D sound from the compact sound bar using PhaseCue virtual surround technology. Press the SURROUND button to adjust the surround sound effect (SD 1 to SD 3).

Image: The ZVOX AV455 Sound Bar mounted on a wall below a TV, illustrating its ability to deliver room-enveloping sound with PhaseCue technology.
Volume Control and Output Leveling:
Adjust the volume using the VOLUME UP and VOLUME DOWN buttons. The Output Leveling feature automatically reduces the impact of loud commercials, providing consistent audio levels.
Bluetooth Wireless Streaming:
The AV455 supports wireless audio streaming via Bluetooth. Pair your smartphone, tablet, laptop, or Bluetooth-capable TV to the sound bar to enjoy music and other audio content.
USB Playback:
Plug a USB flash drive into the AV455's USB port to play audio tracks directly from your device.

Image: The ZVOX AV455 Sound Bar with its remote control, showing the illuminated display behind the grille when adjustments are made, emphasizing ease of operation.
Maintenance
To ensure the longevity and optimal performance of your ZVOX AV455 Sound Bar, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the sound bar. Do not use liquid cleaners or aerosol sprays, as they may damage the finish or internal components.
- Ventilation: Ensure the sound bar has adequate ventilation. Do not block any ventilation openings.
- Placement: Avoid placing the sound bar in direct sunlight, near heat sources, or in areas with high humidity.
Troubleshooting
If you encounter any issues with your ZVOX AV455 Sound Bar, please refer to the following common troubleshooting steps:
- No Sound:
- Verify that the sound bar is powered on.
- Check that the correct input source is selected on the sound bar.
- Ensure all cables (audio and power) are securely connected.
- Confirm that your TV's audio output is set to the correct external speaker option.
- Remote Control Not Responding:
- Check and replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the sound bar.
- Dialogue Not Clear Enough:
- Increase the AccuVoice level using the ACCUVOICE button on the remote.
- Adjust the TV's internal audio settings, if applicable, to ensure optimal output to the sound bar.
For persistent issues, please refer to the ZVOX support website or contact customer service.
Specifications
| Model Name | AV455 |
| Speaker Type | Soundbar |
| Special Feature | Sound Bar For Dialogue, Sound Bar For Hearing Impaired, TV Soundbar For Hearing Impaired, Clear Voice Soundbar |
| Compatible Devices | Television |
| Controller Type | Remote Control |
| Surround Sound Channel Configuration | 2.1 or 3.1 |
| Color | Black |
| Product Dimensions | 3.25"D x 24"W x 2.2"H |
| Item Weight | 4.8 Pounds |
| Wireless Communication Technology | Bluetooth |
| Power Source | Corded Electric |
| Connectivity Technology | Analog, Optical, ARC-HDMI |
| Audio Output Mode | Surround |
| Mounting Type | Wall Mount |
Warranty and Support
The ZVOX AccuVoice AV455 Sound Bar comes with a Limited Warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty information included in your product packaging or visit the official ZVOX website.
For technical support, product registration, or any other inquiries, please contact ZVOX customer service through their official channels. Keep your purchase receipt and product serial number handy for faster service.





