ZEALOT-S51 Portable Bluetooth Speaker TWS Wireless Bass Subwoofer Waterproof Outdoor Speakers Boombox AUX TF Stereo Loudspeaker
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Specifications
- Brand Name
- ZEALOT
- ZEALOT Model
- S51
- Power Source
- Battery, Battery
- Inbox adaptor
- No
- Cabinet Material
- Plastic
- Audio Crossover
- Full-Range
- Waterproof
- Yes
- Voltage range
- USB (5-20V DC)
- Communication
- Bluetooth
- Speaker Type
- Portable
- Channels
- 1
- Support APP
- No
- Battery
- Yes
- Category
- Speakers
- Use
- Home
- Origin
- Mainland China
- Sound Mode
- Stereo Sound Mode
- Voice Control
- No
- Number of Loudspeaker Enclosure
- 1
- Input Power(W)
- <25 W
- High-concerned chemical
- None
- Input/Output
- AUX
- Intelligent Personal Assistant
- None
- Remote Control
- No
- Support Apt-x
- No
- Control
- Volume control
- Bluetooth Version
- 5.2
- Total Harmonic Distortion
- 1
- Sensivity
- 10
- Output Voltage
- 10 W
- Support Memory Card
- Yes
- Feature
- Wireless subfoofer
- Playback Function
- MP3
- Display Screen
- No, No
- Certification
- CE
- PMPO
- 10 W
- Impedance
- 2 Ohm
- Tweeter type
- HORN
- Material
- Plastic
- Built-in Microphone
- Yes
- Frequency Range
- 20Hz-2KHz
- Choice
- yes
Product Description
Product Features:
Battery capacity: 1800mAh lithium battery
Bluetooth version: 5.2
Speaker: 10W
Transmission distance: about 10m
Frequency response: 100Hz-20KHz
Signal to noise ratio: ≥90dB
Working voltage: 3.7V
Distortion: <1%
Charging voltage: DC5V
Charging port: Micro USB
Talk time: about 6h
Music playback: about 8h
Standby time: ≥30 days
Charging time: about 2.5h
TWS:Turn on both speakers at the same time, then long press the "M" key
Long Playtime
S51 has a built-in lithium-ion polymer battery with a long battery life and can play music for 8 hours continuously.
Super small steel cannon
The S51 is equipped with a 57mm full range driver with a total output power of 10W (root mean square), specifically tuned for music, making bass clearer and more transparent.
Product List
* Large battery
* 8 Hours Playtime
* Bluetooth V5.2
* 10W high-power
True 360 ° stereo
Full Bass Stereo - Bluetooth speakers provide immersive sound, rich bass, mid high, and dynamic sound. Even at maximum volume, there will be no broken sound, just like a live concert performance.
Portable and Long Battery Life
Party speaker,with strong bass beyond its size,and 8H super long playtime.The long battery life and loud sound effects make it suitable for any indoor&outdoor activities.uses the stronger internal magnetic speakers.It makes the speakers bluetooth wireless with stronger anti-interference ability,and lighter weight,which is used in various high-end speakers.If you are looking for portable speakers,this would be up to your choice.
Wireless Bluetooth Streaming
Bluetooth V5.2 features strong resolution, stable transmission, low power consumption, and wide purpose of use, delivering high-quality audio experience.
Dual Pairing wireless speaker
Connect 2 speakers together, they would play together at the same time!After the first connection,the subsequent connection of the two speakers bluetooth wireless will be connected automatically by themselves.Different models of Zealot wireless speakers with bluetooth can do dual pairing by each other. However, either of the two wifi bluetooth speakers portable wireless can be sold alone. One party speaker also plays great!
Strong Bluetooth 5.2 signal
The portable speakers bluetooth wireless can connect normally under any difficult conditions and the signal is not disturbed.Antenna design with Bluetooth 5.2 provides greater wireless range 100ft and efficient connection to any Bluetooth devices.The Bluetooth 5.2 chip easily reads music play list. The wireless speakers not only can connect laptop, phone, MP3, iPhone,iPad, but also personal computer, TV or other non-Bluetooth device with 3.5mm audio jacks.
Packing list
1x Zealot S51 bluetooth speaker
1x charging cable
1x user manual
BRAND INTRODUCTION
Zealot Digital Technology Co., Ltd., established in August 2010, is a high-tech enterprise that has been committed to the field of digital products for a long time, integrating R&D, production, sales and service. The company takes market demand as the starting point, seeks innovation, promotes development, and achieves customer needs with the awareness of sincere cooperation and the service concept of improving the quality of life of the public. The products are popular in the digital audio-visual market with their advanced technology, first-class quality, exquisite and fashionable appearance, and considerate after-sales service.
FAQ
Keeps cutting out when playing
Please ensure the speaker is within the operating range and there
are no obstacles between the speaker and the device
Not able to connect to your device
1. Restart the speaker and try again
Not able to play the music in Micro SD card
1. Please ensure the format of the Micro SD card is FAT32. It only supports FAT32 Micro SD card
2. Please ensure the formats of the music files are APE, FLAC, WAV, WMA or MP3
No sound when playing
1. Please adjust the volume of the speaker
2. Please adjust the volume of your device
3. Please check if the speaker is paused
No sound in AUX-in mode
Please ensure the audio cable is connected well
Not able to turn on
Please try to charge the speaker for about 3 hours
No respond to any operation
Please try to reset the speaker by pressing the reset
button in the AUX-in jack
Pros & Cons
Pros
- Bluetooth 5.2 for stable connection up to 10m
- Waterproof design perfect for outdoor use
- TWS support for stereo pairing
- Supports multiple inputs like AUX and TF card
Cons
- No inbox adaptor included
- Plastic build may feel less premium
- Only 10W output power limits very loud volumes
- Battery life around 6 hours may not suffice for all-day use
Common Questions
What material is the ZEALOT S51 speaker made of?
The cabinet material is plastic, making it lightweight and durable for portable use.
What is the battery life and capacity of the ZEALOT S51 Bluetooth speaker?
It has an 1800mAh lithium battery providing about 6 hours of music playback time.
Is the ZEALOT S51 compatible with other devices and what connectivity options does it have?
It supports Bluetooth 5.2, AUX input, TF card, and TWS pairing for stereo sound.
How waterproof is the ZEALOT S51 and is it suitable for outdoor use?
Yes, it is waterproof and features a wireless subwoofer, ideal for outdoor activities.
What are the shipping details for the ZEALOT S51 portable speaker?
Shipping originates from Mainland China; no inbox adaptor included, standard delivery times apply.
Product information last updated on February 21, 2026