Name: Zealot S78 Wireless Speaker
Brand: Zealot

Question 1

How do I switch between equalizer modes on the S78?

Accepted Answer

The S78 has three equalizer modes: Bass (indicated by a green light), Treble (indicated by an orange light), and Normal. You can cycle through these modes using the equalizer control. (Page 1)

Question 2

Is it safe to use the S78 at high volumes for extended periods?

Accepted Answer

No — the manual warns that you should keep the speaker volume at a moderate level to avoid temporary or permanent hearing damage. This is listed as an important safety precaution for all users. (Page 1)

Question 3

Can I clean the S78 speaker with household chemical cleaners?

Accepted Answer

No, you should not use organic solvents or other chemical products to clean the speaker. The manual explicitly warns against this to prevent damage to the product. (Page 1)

Question 4

What should I do if the S78 is causing interference with my radio or TV reception?

Accepted Answer

The FCC guidelines included in the manual suggest trying one or more of the following: reorient or relocate the receiving antenna, increase the separation between the equipment and receiver, connect the equipment to an outlet on a different circuit, or consult a dealer or experienced radio/TV technician. (Page 1)

Question 5

Is it safe to expose the S78's battery to sunlight or high heat?

Accepted Answer

No — the manual strictly warns that the battery must not be exposed to sunlight, fire, or similar overheating conditions. Additionally, if the battery is not replaced correctly, there is a risk of explosion, and only the same type of battery should be used as a replacement. (Page 1)

Question 6

What input and connectivity options does the S78 support?

Accepted Answer

The S78 supports wireless Bluetooth connection, TF Card playback, and AUX input. It also has an Out-5V port, which can be used for charging external devices. (Page 1)

Question 7

How do I pair two Zealot S78 speakers together?

Accepted Answer

Turn on the first speaker, connect it to your device, and click the dual pairing button. Then turn on the second speaker and click the dual pairing button—there will be a prompt tone indicating that both speakers have connected successfully.

Question 8

What are the speaker specifications for the Zealot S78?

Accepted Answer

The Zealot S78 features speakers of Φ120mm*2 and Φ42mm*2, with a frequency range of 20Hz-20KHz, signal-to-noise ratio (SNR) of ≥90dB, and distortion of less than 1%. The device weighs 4.4kg and has dimensions of 410*167*185mm.

Question 9

What temperature conditions should I use to store and operate the S78?

Accepted Answer

Please use and store the Zealot S78 at room temperature (ambient temperature). Do not expose the product to fire, high temperatures, or direct sunlight.

Question 10

How should I clean the Zealot S78?

Accepted Answer

Do not use organic solvents or other chemical products to clean the product. The manual does not specify approved cleaning methods beyond avoiding these harmful substances.

Question 11

What equalizer settings are available on the S78?

Accepted Answer

The Zealot S78 has three equalizer settings: Bass/Heavy Bass (green light), Normal Sound (no specific light indication), and Treble/High Sound (orange light). You can adjust the sound profile using these equalizer modes.

Question 12

What should I do if I need to replace the battery?

Accepted Answer

If the battery needs to be replaced, only the same type of battery can be used. Improper battery replacement could result in an explosion hazard. Batteries must never be exposed to sunlight, fire, or overheating conditions.

Question 13

What is the working voltage of the Zealot S78?

Accepted Answer

The Zealot S78 has a working voltage of 7.4V. The charging voltage is DC 5V, which is separate from the operating voltage when the device is in use.

Question 14

What type of power adapter should I use to charge the S78?

Accepted Answer

You should purchase a matching power adapter that has CCC certification and meets the required standards. Using an uncertified or non-matching adapter is not recommended. (Page 1)

Question 15

What are the equalizer modes available on the S78 and how can I identify them?

Accepted Answer

The S78 has three equalizer modes: Bass (indicated by a green light), Treble (indicated by an orange light), and Normal. You can cycle through these modes using the equalizer control. (Page 1)

Question 16

What is the Bluetooth version and wireless transmission distance of the S78?

Accepted Answer

The S78 uses Wireless version 5.2 and has a transmission distance of 10 meters. These specifications apply across all language versions of the manual. (Page 1)

Question 17

Is it safe to use the S78 at high volume levels for extended periods?

Accepted Answer

No — the manual warns that you should keep the speaker volume at a moderate level to avoid temporary or permanent hearing damage. This safety warning is consistently noted across all language versions of the manual. (Page 1)

Question 18

Can I disassemble or modify the S78 speaker myself?

Accepted Answer

No, the manual explicitly states that you should not disassemble the product or make any modifications to its structure or any part of it. Doing so could void compliance and may pose safety risks. (Page 1)

Question 19

How should I clean the S78 speaker, and are there any products I should avoid?

Accepted Answer

You should not use organic solvents or other chemical products to clean the S78. Additionally, you should prevent small particles from entering the product during cleaning or normal use. (Page 1)

Question 20

What precautions should I take regarding the S78's battery and exposure to heat?

Accepted Answer

The battery must not be exposed to conditions such as direct sunlight, fire, or similar overheating conditions. The manual also warns that if the battery is not replaced correctly, there is a risk of explosion, and only the same type of battery can be used as a replacement. (Page 1)

Question 21

How do I factory reset the Zealot S78 Wireless Speaker?

Accepted Answer

Press and hold the Power button for 8 seconds until it resets. The device will automatically turn off after the process is completed.

Question 22

What should I do if my Bluetooth connection fails?

Accepted Answer

Restart the speaker to automatically connect previously paired devices or ensure Bluetooth on your phone is turned on and manually select 'ZEALOT-S67' if automatic reconnection fails.

Question 23

How can I use TWS (True Wireless Stereo) Connect Mode?

Accepted Answer

When both machines are within a range of 10m, click the connect button on either machine to establish connectivity. Any further connections will be automatic once the initial pair has been established.

Question 24

What does low battery warning sound like?

Accepted Answer

There is a voice prompt 'Low battery please charge' indicating that the device needs charging due to insufficient battery voltage.

Question 25

How do I change modes between Bluetooth, TF Card and AUX?

Accepted Answer

Press and hold the Mode button ('M' button) to switch through available modes. The mode order is Bluetooth -> TF Card -> AUX (and vice versa).

Question 26

What does it mean when the LED flashes red after pressing power button for 10 seconds?

Accepted Answer

The device will clear all settings and return to factory defaults, requiring re-pairing of devices post-reset.

Question 27

What is the wireless version and transmission distance of the Zealot S78?

Accepted Answer

The Zealot S78 has Wireless version 5.2 with a transmission distance of 10 meters. This allows you to connect and control the speaker from devices within a 10-meter range.

Question 28

How do I charge the Zealot S78 for the first time?

Accepted Answer

For the first use, a complete charge is recommended. The speaker requires a DC 5V charging voltage using a matching power adapter that meets CCC certification standards.

Question 29

What do the different LED light colors indicate about the battery level?

Accepted Answer

Green light indicates 80%-100% battery, yellow light indicates 40%-70% battery, and red light indicates ≤30% battery level. The speaker has more than 2 hours of battery life in normal operation.

Question 30

How long does it take to charge the Zealot S78?

Accepted Answer

Charging time varies depending on the adapter or computer USB charging port. The speaker will fully charge once the power indicator stops flashing.

Question 31

What is displayed when there is an active pairing connection?

Accepted Answer

The blue indicator will be constantly bright while playing and steady on upon successful connection, indicating a proper Bluetooth pairing status with the device.

Question 32

How do I connect two S78 speakers together for dual pairing?

Accepted Answer

Turn on the first speaker, connect it to your device, and click the dual pairing button. Then turn on the second speaker and click its dual pairing button — a prompt tone will sound to indicate both speakers have connected successfully. (Page 1)

Question 33

What do the battery indicator light colors mean on the S78?

Accepted Answer

A green light indicates the battery is between 80–100%, a yellow light means the battery is between 40–70%, and a red light means the battery is at 30% or below. (Page 1)

Question 34

What are the technical specifications of the Zealot S78?

Accepted Answer

The S78 uses Bluetooth version 5.2 with a transmission distance of 10 meters and a frequency range of 20Hz–20KHz. The speaker configuration is Φ120mm×2+Φ42mm×2, with an SNR of ≥90dB, less than 1% distortion, a weight of 4.4kg, and dimensions of 410×167×185mm. The charging voltage is DC 5V and the working voltage is 7.4V. (Page 1)

Question 35

What are the key technical specifications of the Zealot S78 speaker?

Accepted Answer

The S78 has a charging voltage of DC 5V, a working voltage of 7.4V, a frequency range of 20Hz–20KHz, an SNR of ≥90dB, and distortion of less than 1%. The speaker drivers are Φ120mm×2 plus Φ42mm×2, the unit weighs 4.4kg, and its dimensions are 410×167×185mm. (Page 1)

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