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Avantree C81 USB-C Bluetooth Adapter for PS5 Review

The Avantree C81 is a compact USB-C Bluetooth audio adapter designed to add wireless headphone or speaker support to a PS5, Switch, PC, or laptop. Its strongest case is straightforward console audio pairing with compatible headphones, backed by high setup and portability scores. Reliability, latency, sound quality, and compatibility reports are less consistent, particularly with some AirPods setups.
Expert reviewed
74
Overall score
Data-driven scoring Expert reviewed Updated analysis

Why we ranked it highly

The Avantree C81 is a small Bluetooth audio transmitter that connects through USB-C, with an included converter cable for USB-A devices. It is positioned primarily for PS5 users who want to send game audio wirelessly to Bluetooth headphones, speakers, or soundbars, while also supporting Switch, PC, and laptop use. Its feature set includes Bluetooth 5.0, aptX Low Latency support, a stated range of up to 100 ft in unobstructed conditions, and an included mini microphone for controller-based voice chat. The score profile favors setup, portability, and features, while customer feedback shows a less uniform picture on sound, latency, and reliability. It appears most suitable when paired with a known-compatible headset and used as a dedicated audio link rather than a frequently switched multi-device connection.
90-day review Expert reviewed User feedback Data scoring

Key specs

Features & Specs

Compatible Devices
Headphone, PS5
Specific Uses For Product
Headphones
Connector Type
USB Type A, USB Type C
Number of Ports
1
Input Voltage
20 Volts
Current Rating
1 Amps
Power Plug Type
No Plug
Nominal Power
20 Watts
Smart Home Compatibility
Not Smart Home Compatible

Additional details

Color
Black

Measurements

Item Dimensions
0.55 x 1.02 x 0.28 inches
Item Weight
10 Grams
Package Quantity
1
Unit Count
1.0 Count
Number of Items
1

Item details

Brand
Avantree
Model Number
BTDG-C81
Manufacturer
Avantree
Mfr Part Number
BTDG-C81

Scores breakdown

76 /100

Performance

82 /100

Features

80 /100

Usability

78 /100

Design

72 /100

Audio quality

70 /100

Connectivity

77 /100

Speed

62 /100

Reliability

Strengths

  • Compact 10 g USB-C Bluetooth audio adapter with an included USB-A converter cable.
  • High setup score of 84, with many reviewers describing plug-in pairing as quick and straightforward.
  • Supports aptX Low Latency; several PS5 users reported no noticeable audio lag.
  • Included mini microphone provides a wired voice-chat option through the controller.
  • Very high portability score of 95 suits console bags, desktop setups, and travel use.
  • Can add Bluetooth audio output to PS5, Switch, PCs, laptops, and USB-A-equipped devices via the included converter.

Limitations

  • Reliability score of 62 and durability score of 58 reflect meaningful concerns about long-term consistency.
  • Customer feedback on sound quality, latency, microphone behavior, and connection stability is mixed.
  • Some reviewers report compatibility or reconnection difficulties with particular AirPods models and devices used across multiple Bluetooth sources.
  • One review reported intermittent operation after about three months, although individual experiences vary.
  • Wireless headset microphones may reduce audio quality during voice use; the included controller-connected microphone may be the more practical option.
  • PS5 users may need to manage audio-output and microphone preferences manually when the adapter remains connected.

Ideal user profiles

  • PS5 owners who want to use existing Bluetooth headphones or speakers without a cable.
  • Switch, PC, or laptop users needing a small USB-C Bluetooth audio transmitter with USB-A flexibility.
  • Gamers who prioritize simple setup and are willing to confirm headset compatibility before relying on it.
  • Travelers seeking a lightweight adapter for wireless audio from compatible USB-C devices.

Use cases

  • Sending PS5 game audio to Bluetooth headphones.
  • Connecting a Bluetooth speaker or soundbar to a PS5 where direct Bluetooth audio support is limited.
  • Adding Bluetooth audio transmission to a USB-C laptop, PC, or Switch.
  • Using the USB-A converter with devices that lack USB-C.
  • Using the included mini microphone for controller-based game chat.
  • Watching video or gaming with compatible aptX Low Latency headphones.

Fit and positioning

Who this works for

Category positioning

At 29.99, the C81 sits as a value-focused gaming and USB audio accessory rather than a premium wireless platform. Its 82 feature score and 84 setup score make it appealing for users who need to add Bluetooth output to devices such as a PS5 that do not directly support every Bluetooth audio use case. The exceptionally high portability score of 95 is a further advantage. The lower reliability and durability scores mean it is not the most confidence-inspiring choice for buyers who prioritize long-term consistency above convenience.

Best for

The C81 is best for PS5, Switch, and computer users who already own Bluetooth headphones or speakers and want a compact wireless audio solution. It suits gamers who value easy pairing, an included USB-A converter, and aptX Low Latency support with compatible hardware. Reviewers frequently praise quick PS5 pairing and minimal perceived lag, so it is a practical fit for dedicated headset-and-console setups where the connection can remain relatively simple.

Not best for

This adapter is less suitable for buyers who need guaranteed compatibility with every earbud model, flawless switching between a phone and console, or proven long-term reliability. The reliability score is 62 and durability score is 58, while customer reports include disconnections, delayed or muffled sound, and intermittent operation. Some AirPods models were specifically reported as problematic. Users who rely heavily on a headset's built-in wireless microphone should also note the reported voice-audio compromises.

Performance analysis

How it performs in practice

Each scoring dimension is separated into a compact card so the strengths and tradeoffs are easier to compare without reading one long block.

Performance analysis

The C81's main job is transmitting audio from a USB-equipped source to Bluetooth listening devices, and its performance score of 76 indicates generally capable but not fully consistent results. Multiple PS5 reviewers reported immediate pairing, stable playback, and no noticeable lag. The aptX Low Latency certification is intended to reduce synchronization delay with compatible equipment. However, aggregated feedback also contains reports of half-second delay, muffled audio, and connection issues. In practice, performance appears highly dependent on the paired headphones and the surrounding Bluetooth setup.

Feature analysis

With an 82 feature score, the C81 provides a useful set of functions for a compact transmitter: USB-C connectivity, a bundled USB-A converter, Bluetooth 5.0, aptX Low Latency support, and a mini microphone for controller-connected chat. It is designed to transmit audio to Bluetooth headphones, speakers, and compatible soundbars from PS5, Switch, PCs, and laptops. The specification lists one port, so its strength is focused audio transmission rather than broader hub-style expansion.

Usability analysis

The usability score of 80 reflects a largely simple day-to-day experience once a compatible device is paired. Several reviews describe a plug-in-and-pair workflow, and some users report reliable automatic reconnection. Usability can decline when headphones are also paired with phones or watches, because Bluetooth connection priorities may need manual management. On PS5, users may also need to adjust audio-output or microphone settings if they want to alternate between the adapter and external speakers.

Design

The C81 is designed for minimal physical footprint: it measures 0.55 by 1.02 by 0.28 inches and weighs 10 g. This compact form suits front or rear console ports, laptop use, and travel kits without adding a dangling cable by default. The included USB-A converter broadens placement options for older ports. Its design score of 78 reflects this practical, focused form factor, although no detailed evidence is provided about indicator visibility or control ergonomics.

How it compares

Within the USB Bluetooth audio adapter category, the C81 is distinguished by its very small size, included USB-A converter, low-latency support, and controller-connected microphone. These are useful advantages for PS5 and desktop users who need a direct, driver-free audio link. Its overall score of 74 places it as a solid convenience-led option rather than a universally dependable one. Higher-confidence alternatives in this category would need to improve on its mixed reliability, durability, and compatibility outcomes. The C81 remains compelling when a buyer has confirmed it works with their headphones and values easy portability over extensive controls or guaranteed cross-device behavior.

Ranking summary

The Avantree C81 achieves an overall score of 74 because it solves a common console-audio problem with a notably compact and simple design. Its best results are setup at 84, features at 82, usability at 80, and portability at 95. The performance score of 76 and speed score of 77 suggest that many compatible headphone pairings can deliver convenient, low-lag game audio. Its rank is held back by reliability at 62, durability at 58, compatibility at 69, and connectivity at 70. In short, it is a capable Bluetooth transmitter when the pairing works well, but not the most predictable choice across every headset or long-term use case.

Buying advice

Consider the C81 if you want to send PS5, Switch, PC, or laptop audio to Bluetooth headphones or speakers and prefer a compact plug-in solution. It is especially worth considering if your headphones support aptX Low Latency or if reviews have confirmed success with your exact model. Before buying, check how your headphones behave when paired with a phone, watch, and console, since reconnection priorities can create friction. PS5 owners should also be prepared to review audio-output and microphone preferences. If you require assured long-term reliability or use a known-problematic AirPods setup, choose cautiously and review return coverage.
74
Overall score

Final verdict

The Avantree C81 is a solid but conditional Bluetooth audio adapter for PS5 and other USB-equipped devices. Its main strengths are easy setup, compact 10 g design, flexible USB-C and USB-A connectivity, and low-latency potential with compatible headphones. Many customers report excellent results, including quick pairing and synchronized game audio. The main limitation is inconsistency: reliability, audio quality, latency, and compatibility feedback varies materially between setups, with some AirPods-related issues noted. With an overall score of 74, it is a good value-focused choice for buyers who can verify compatibility, but a limited choice for those needing guaranteed universal performance.
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Key topics

Avantree C81 review, Avantree C81 Bluetooth adapter, PS5 Bluetooth adapter, USB-C Bluetooth audio transmitter, Avantree C81 PS5 review, aptX Low Latency gaming adapter, best PS5 Bluetooth headphone adapter, Bluetooth adapter comparison

Frequently asked questions

Is the Avantree C81 worth buying for PS5?
The Avantree C81 is a reasonable option for PS5 owners who want to use compatible Bluetooth headphones or speakers. It earns an overall score of 74, supported by strong setup, portability, and feature scores. Its value depends on confirming your headset compatibility and accepting mixed reports around reliability and reconnection.
Does the Avantree C81 have low audio latency?
The C81 supports aptX Low Latency, and several reviewers reported no noticeable lag when gaming or streaming. However, the broader customer feedback is mixed: some users experienced delayed or muffled audio. Low-latency results depend on the connected headphones and the stability of the Bluetooth connection.
Is the Avantree C81 easy to set up?
Setup is one of the C81's strongest areas, with an 84 setup score. The stated process is to plug it into a USB-C port and place headphones or speakers in pairing mode. Many reviewers describe this as quick, although one reviewer found the instructions and Bluetooth device identification less clear.
Which devices work with the Avantree C81?
The supplied information lists PS5, Switch, PCs, laptops, Bluetooth headphones, and speakers as intended uses. It connects through USB-C and includes a USB-A converter cable. Actual results can vary by headset, and reviews specifically note inconsistent behavior with some AirPods models and multi-device reconnection setups.
Can the Avantree C81 be used for voice chat?
Yes. The package includes a mini microphone intended to plug into a controller for wireless voice chat. Customer feedback on microphone function is mixed. One detailed review also notes that using a headset's wireless microphone can lower audio quality during speech, a limitation associated with Bluetooth audio behavior.
How portable is the Avantree C81?
The C81 is highly portable. It weighs 10 g and measures 0.55 by 1.02 by 0.28 inches, contributing to its portability score of 95. Its small size and included USB-A converter make it easy to keep with a console, laptop, or travel audio kit.
What are the main reliability concerns with the Avantree C81?
Reliability is its clearest weak area, with a score of 62. While many owners describe stable connections and easy reconnection, aggregated feedback includes reports of inconsistent connectivity, latency, and microphone operation. One reviewer reported that the unit became intermittent after roughly three months, so long-term consistency is not assured.
Is the Avantree C81 good value for money?
At the supplied price of 29.99, the C81 offers useful connectivity features, low-latency support, a microphone, and USB-C-to-USB-A flexibility. Its value score of 76 is solid rather than exceptional. It is best value when it pairs reliably with headphones you already own; compatibility uncertainty reduces that value.

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