







Herdio 6.5" In-Ceiling Bluetooth Speakers 640 Watts 2-Way for Powerful Audio Performance
- Dual Independent 4 Channels
- Compatible with Bluetooth
- Microphone Paging & USB Port
- Easy to Install
- High Durability Material
- Eco-Friendly & Test-Approved
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Max Power 640 Watt
The max power of in ceiling speakers(4 speakers) up to 640 watts. It can achieve wide-ranged sound performance, even in a spacious office you can experience the stereo surround sound of the speakers .
Max Power 640 Watt
The max power of in ceiling speakers(4 speakers) up to 640 watts. It can achieve wide-ranged sound performance, even in a spacious office you can experience the stereo surround sound of the speakers .


Compatible with Bluetooth
Bluetooth has a wide range and can be connected with various devices with Bluetooth function.
Compatible with Bluetooth
Bluetooth has a wide range and can be connected with various devices with Bluetooth function.


Premium Sound Quality
Each speaker features a high-compliance polymer tweeter that delivers full, surround sound that you are looking for.
Premium Sound Quality
Each speaker features a high-compliance polymer tweeter that delivers full, surround sound that you are looking for.


High Durability Material
Made of a high-quality ABS material and round stain resistant speaker grills and polypropylene cone with a cloth edge.
High Durability Material
Made of a high-quality ABS material and round stain resistant speaker grills and polypropylene cone with a cloth edge.


Microphone Paging
With this easy to use in-wall plate amplifier you can control the volume of your sound as well as have multiple inputs that connect to your stereo system/speakers. Microphone paging is also easy to do. Great for making announcements or paging someone in the office.

USB Charging
The audio controller features a USB flash memory reader for media playback which also doubles as a charging port for your devices.

Package list
1x in-wall audio receiver wall plate,1XAC adapter,2Xscrews,1 manual..

Standard wall plate size
Install the wall amplifier system on any wall in the home or office to unlock versatile sound configuration that is easily accessible.

Max 640W power with two pairs
640 watts max , 2-way passive crossovers for greater fidelity. combined with dual high excursion 6.5 inch poly woofers and 1 inch soft dome tweeter.

TWS technology
TWS function lets you pair 4 speakers for a powerful surround sound.(the HOST speaker and SUB speaker will automatically link with each other

Flush Mount Design
Simple knob design makes the installation firmer.The ceiling speaker can match existing flush mounted designs in your home or workplace.

Easy to Install
Product specification
HCS 818-16BT-4CH
6.5 Inch
Yes
640 Watt (160 Watt / per)
8 Ohms
60-20KHZ
89db
8.07 Inch(20.5 CM)
FAQ
What’s included in the package and how do I install the speakers?
The package includes 4 x 6.5" in-ceiling speakers, a 4-channel Bluetooth amplifier with USB, AUX, and microphone inputs, speaker cables, and a power adapter. The speakers feature a flush-mount design with paintable bezelless grilles for a seamless ceiling fit. Installation is straightforward and requires only basic tools.
What is the maximum power output and sound quality of this system?
This system delivers up to 640 Watts peak power total (160 Watts per speaker). It features dual 4-channel independent outputs for flexible sound control. The 6.5" woofers combined with 1" tweeters provide clear highs, rich mids, and powerful bass for immersive audio.
What connectivity options are supported?
The system supports Bluetooth 5.0 wireless streaming with a range up to 100 feet (30 meters). It also includes USB and AUX inputs for wired connections, plus a microphone input for paging or announcements.
Can I use these speakers in humid or outdoor areas?
These speakers are designed for indoor use and should be installed in dry, sheltered locations. Avoid exposure to direct moisture or heavy humidity to maintain performance and longevity.
Are these speakers certified and environmentally friendly?
Yes, the HCS 818-16BT-4CH meets FCC, CE, BQB, and WEEE certifications, ensuring quality, safety, and environmental compliance. The materials used are eco-friendly and durable.