Introduction
Thank you for choosing the ZVOX AccuVoice AV855 Dialogue Clarifying Soundbar. This soundbar is engineered to significantly enhance dialogue clarity from your television, making every word easier to understand, even at low volumes. Featuring patented AccuVoice technology, dual built-in subwoofers for rich sound, and multiple connectivity options, the AV855 provides a superior audio experience for your home entertainment system.

The ZVOX AccuVoice AV855 Dialogue Clarifying Soundbar and its remote control.
Safety Information
Please read all safety instructions before operating this product. Keep this manual for future reference.
- Do not expose this appliance to dripping or splashing. Do not place objects filled with liquids, such as vases, on the apparatus.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
Package Contents
Verify that all items are present in the package before proceeding with setup:
- ZVOX AccuVoice AV855 Dialogue Clarifying Soundbar
- Remote Control (2x AAA batteries included)
- ARC-HDMI compatible cable
- Optical digital cable
- Mini RCA analog to 3.5mm cable
- 3.5mm analog cable
- Power Adapter

All components included in the ZVOX AV855 package.
Product Overview
The ZVOX AccuVoice AV855 is a low-profile soundbar designed to deliver clear, rich audio with a focus on dialogue clarity. Its compact design allows for versatile placement while providing powerful sound.
Key Features:
- AccuVoice Technology: Patented hearing technology with 20 levels of voice boost to separate and enhance voices, reducing background noise.
- Powerful Bass: Dual built-in subwoofers and a powerful amplifier deliver wide-range sound, including robust bass, from a cabinet less than 2 inches high.
- Output Leveling: Automatically reduces the impact of loud commercials for consistent volume.
- PhaseCue Virtual Surround: Creates an immersive 3D audio experience from a compact soundbar.
- Easy USB Playback: Connect a USB flash drive to play audio tracks directly.
- User-Friendly Display: A large, easy-to-read display behind the grille illuminates when adjustments are made.

The AV855 clarifies voices on your TV for an improved listening experience.

Hear every word clearly with AccuVoice technology, offering 20 levels of dialogue boost.

Ultra-slim design with powerful sound and deep bass.

Easy to use with a large print remote and a clear display.
Setup
Placement:
The AV855 is designed to be placed below or in front of most TVs 50 inches and larger. Its low-profile design (1.85 inches high) ensures it fits comfortably without obstructing the TV screen.
Connecting to Your TV:
The AV855 offers three primary ways to connect to your television. Choose the method that best suits your TV's available ports.
- HDMI-ARC Compatible: For the simplest setup and control using your TV remote, connect the included HDMI-ARC compatible cable from the AV855's HDMI-ARC port to your TV's HDMI-ARC port. Ensure your TV's HDMI-ARC function is enabled in its settings.
- Optical Digital Input (TOSLINK): Connect the included optical digital cable from the AV855's optical input to your TV's optical digital output.
- Analog Input (3.5mm Mini-jack or RCA): Use the included 3.5mm analog cable or the Mini-to-RCA analog cable to connect the AV855's analog input to your TV's audio output (headphone jack or RCA stereo outputs).
After connecting, plug the power adapter into the soundbar and then into a wall outlet. The soundbar will automatically turn on when it detects an audio signal from your TV.

Three easy ways to connect the ZVOX AV855 to your television.
Operating Instructions
Basic Operation:
- Power: The soundbar will typically power on automatically with your TV when connected via HDMI-ARC or optical. You can also use the 'POWER' button on the remote.
- Volume Control: Use the 'VOLUME' up/down buttons on the remote or your TV remote (if connected via HDMI-ARC) to adjust the sound level.
- Mute: Press the 'MUTE' button on the remote to temporarily silence the sound.
AccuVoice Settings:
The AV855 features 20 levels of AccuVoice dialogue boost. Press the 'ACCUVOICE' button on the remote repeatedly to cycle through the different levels and find the setting that provides the clearest dialogue for your listening preference.
Surround Sound:
Press the 'SURROUND' button on the remote to activate or deactivate the PhaseCue virtual surround sound feature, which creates a wider, more immersive audio experience.
USB Playback:
Insert a USB flash drive containing audio files into the USB port on the soundbar. Use the 'PLAY/PAUSE', 'FWD' (forward), and 'BACK' buttons on the remote to control playback.
Other Settings:
The 'OTHER SETTINGS' button on the remote may provide access to additional audio adjustments or system settings. Refer to the on-screen display for specific options.
Maintenance
To ensure the longevity and optimal performance of your ZVOX AV855 soundbar, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the soundbar. Do not use liquid cleaners or aerosol sprays, as they may damage the finish or internal components.
- Ventilation: Ensure that the ventilation openings are not blocked. Proper airflow prevents overheating.
- Storage: If storing the soundbar for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your ZVOX AV855 soundbar, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from soundbar. | Soundbar not powered on; incorrect input selected; TV audio output settings incorrect; cable loose or damaged. | Ensure power adapter is connected and soundbar is on. Press 'INPUT' on remote to cycle inputs. Check TV audio output settings (e.g., set to External Speakers, PCM for optical). Reconnect cables securely. |
| Dialogue is not clear enough. | AccuVoice setting too low or off. | Press the 'ACCUVOICE' button on the remote to increase the dialogue boost level. Experiment with different levels. |
| Remote control not working. | Batteries dead or incorrectly inserted; remote sensor blocked. | Replace batteries (2x AAA). Ensure line of sight between remote and soundbar. |
| Volume fluctuates unexpectedly. | Output Leveling feature not active or not functioning optimally. | Ensure Output Leveling is enabled (check 'OTHER SETTINGS' if available). This feature is designed to reduce jarring volume spikes. |
| Sound is distorted or buzzing. | Volume too high; poor cable connection; interference. | Reduce volume. Check all cable connections. Move soundbar away from other electronic devices that may cause interference. |
Specifications
Detailed technical specifications for the ZVOX AccuVoice AV855 Dialogue Clarifying Soundbar:
| Feature | Specification |
|---|---|
| Model Name | AV855 |
| Speaker Type | Soundbar |
| Special Features | Clear Voice Soundbar, Sound Bar For Dialogue, Sound Bar For Hearing Impaired, TV Soundbar For Hearing Impaired |
| Compatible Devices | Television |
| Color | Black |
| Product Dimensions (D x W x H) | 5"D x 33.7"W x 1.85"H |
| Item Weight | 5 Pounds |
| Control Method | Remote |
| Audio Driver Type | Dynamic Driver |
| Subwoofer Connectivity Technology | Wired (built-in) |
| Number of Power Levels (AccuVoice) | 20 |
| Specific Uses For Product | Improving dialogue clarity, especially for the hearing impaired |
| Speaker Maximum Output Power | 53 Watts |
| Connectivity Technology | ARC-HDMI Compatible, Analog, Optical |
| Audio Output Mode | Surround (PhaseCue Virtual Surround) |
| Mounting Type | Tabletop Mount |
| UPC | 882360485518 |
| Manufacturer | ZVOX Audio |
Warranty & Support
The ZVOX AccuVoice AV855 Dialogue Clarifying Soundbar comes with a Limited Warranty. For specific details regarding the warranty period and coverage, please refer to the warranty card included in your product packaging or visit the official ZVOX Audio website.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact ZVOX Audio customer service directly. Contact information can typically be found on the ZVOX Audio website or on the product packaging.





