プロジェクターにBluetoothスピーカーを接続する方法｜音響を強化して映画館体験を実現

How to connect a Bluetooth speaker to your projector | Enhance your audio for a cinema experience

August 1, 2026 Aiden Tsang

📌 Key points of this article: Connecting a Bluetooth speaker to a projector significantly improves sound quality compared to built-in speakers. This article provides a detailed explanation of pairing procedures, latency countermeasures, and recommended settings.

When enjoying movies with a projector, do you ever feel that the sound is "lacking" compared to the immersive visuals? Due to their small size, projector's built-in speakers can sometimes struggle to produce volume and sound quality that matches a large screen. Connecting a Bluetooth speaker can dramatically improve the audio, enabling an authentic home theater experience.

Difference between Built-in Speakers and Bluetooth Speakers

Comparison Item	Built-in Speaker	Bluetooth Speaker
Volume	Small to Medium (approx. 3-5W)	Medium to Large (10-50W or more)
Sound Quality	Often simple/mono	Stereo/supports heavy bass
Setup Effort	None	Pairing required
Latency	None	Slight delay may occur
Cost	No additional cost	Speaker purchase cost required
Immersion	Normal	Significantly improved

Bluetooth Speaker Connection Procedure (for Aestiquo P1 and X26)

Put the Bluetooth speaker into pairing mode

Turn on the speaker and press and hold the pairing button. If the LED blinks, it is in pairing mode.

Open the projector's settings menu

Press the "Settings" button on the remote control to open the settings menu.

Select "Bluetooth" or "Connection"

From the settings menu, select "Bluetooth" → "Scan for devices" or "Add new device."

Select the speaker's device name and pair it

Select the speaker's device name displayed in the scan results. The connection is complete when "Paired" is displayed.

Switch audio output to the Bluetooth speaker

From the settings menu, select the Bluetooth speaker from "Audio Output" or "Sound Settings."

Adjust volume and sound quality, then finish

Adjust the volume of both the projector and the speaker. Also adjust the equalizer settings to suit movies, music, or games.

💡 Aestiquo P1 and X26 feature Bluetooth 5.3: With the latest Bluetooth 5.3 standard, connections are stable and latency is minimal. Once paired, they will automatically connect next time.

Countermeasures for Bluetooth Connection Latency (Audio Lag)

With Bluetooth connections, a slight delay (audio lag) may occur between the video and audio. This can be improved with the following methods:

① Choose aptX/aptX Low Latency compatible speakers

aptX Low Latency compatible Bluetooth speakers can reduce latency to approximately 40ms or less. This level of latency is almost imperceptible for movies and games.

② Adjust the projector's audio delay settings

For Android TV projectors, you can adjust the "Audio Delay" or "A/V Sync" setting in milliseconds in the settings menu. By delaying the video to match the speaker's delay, you can eliminate audio lag.

③ Move the projector and speaker closer together

Bluetooth connections are more prone to latency and sound quality degradation the further apart the devices are. We recommend placing the projector and speaker within 10m, and ideally within 5m.

④ Reduce obstacles

Walls, furniture, and electronic devices can obstruct Bluetooth signals. Position the projector and speaker so there are no obstacles between them.

Comparison with Wired Connections (AUX/Optical Digital)

Connection Method	Latency	Sound Quality	Setup Effort	Recommended Use
Bluetooth	Slight	Good	Cable-free, Easy	Movies, Music, Everyday Use
AUX (3.5mm)	None	Good	Cable connection required	Games requiring zero latency
Optical Digital (TOSLINK)	None	High quality	Cable connection required	Movie watching for high sound quality
HDMI ARC	None	Highest quality	HDMI connection	Soundbars, AV receivers

⚠️ Wired connection recommended for gaming: For latency-sensitive games like action or fighting games, a wired connection via AUX cable or optical digital is ideal. Bluetooth connection latency can affect gameplay.

Recommended Connection Methods by Use Case

Use Case	Recommended Connection Method	Reason
Watching movies/TV series	Bluetooth	Comfortable without cables, latency not an issue
Listening to music	Bluetooth / AUX	Both offer high-quality sound
Action/fighting games	AUX (wired)	Zero latency is crucial
RPG/adventure games	Bluetooth	Less affected by latency
Karaoke	Bluetooth	Freedom of movement without cables
Presentations/meetings	Bluetooth / AUX	Choose according to need

Troubleshooting Tips for When Your Bluetooth Speaker Won't Connect

🔴 Speaker not appearing even after scanning

Check if the speaker is in pairing mode (is the LED blinking?)
Turn the speaker off and on again to put it into pairing mode
Turn the projector's Bluetooth off and on, then rescan
Move the speaker and projector within 1 meter and scan

🟡 Connected, but no sound

Check if the projector's audio output setting is set to Bluetooth
Check if the speaker's volume is not at 0
Check the projector's volume settings
Disconnect and re-pair the devices

🟠 Audio lag (latency) is bothersome

Adjust the projector's "Audio Delay" setting
Consider switching to an aptX Low Latency compatible speaker
For movies/TV series, slight latency is often unnoticeable
For games, switch to a wired connection with an AUX cable

🔵 Connection keeps dropping/is unstable

Move the projector and speaker closer (10m recommended)
Check for obstacles (walls, furniture) between them
Keep away from 2.4GHz devices like microwaves and Wi-Fi routers
Check the speaker's battery level

🔊 Aestiquo P1 and X26 Bluetooth Audio Features

Bluetooth 5.3 equipped: Stable connection, low latency, power-saving
Automatic reconnection: Once paired, automatically connects next time
Built-in speaker: Sufficient sound quality even without a Bluetooth speaker
AUX output: Supports wired speakers and earphones
Android TV: Play music apps like Spotify through a Bluetooth speaker

View Projector Lineup →

Frequently Asked Questions

Can any Bluetooth speaker be connected?

Generally, any Bluetooth-compatible speaker can be connected. However, speakers that support aptX and aptX Low Latency have less latency and are suitable for use with movies and games. We recommend checking the speaker's Bluetooth standard before connecting.

Can multiple Bluetooth speakers be connected simultaneously?

This depends on the projector's Bluetooth specifications. Generally, connection to a single speaker is standard. Please refer to your projector's specifications manual for information on connecting to multiple speakers simultaneously.

Can Bluetooth earphones also be connected?

Yes, Bluetooth earphones and headphones can be connected using the same procedure. This is convenient for late-night viewing or when you want to prevent sound leakage to your surroundings.

Can I use the projector as a Bluetooth speaker?

Some Android TV-equipped projectors allow you to connect via Bluetooth from your smartphone and use the projector's speakers. However, the ability to use the projector as a Bluetooth speaker varies by model.

Which is better, an AUX cable or Bluetooth?

For movies and music, Bluetooth is convenient (no cables, tidy setup). For latency-sensitive uses like action or fighting games, a wired connection with an AUX cable is recommended.

Summary

Bluetooth speaker connection significantly improves sound quality over built-in speakers
Pairing procedure: Speaker in pairing mode → Scan with projector → Select → Switch audio output
Latency countermeasures: aptX Low Latency compatible speakers, audio delay settings, reducing distance
Wired for gaming: AUX cable provides zero latency
Bluetooth 5.3: Aestiquo P1 and X26 feature the latest standard for stable connection
Troubleshooting: Re-pairing, reducing distance, minimizing obstacles