Test Your Knowledge

Study Notes

Overview:

Wireless speakers use RF waves instead of audio cables.
They can be distinguished by their dedicated field of use.
They are composed of two units: a main speaker unit and an RF transmitter unit.
The signal frequency range used by wireless speakers is generally 900 MHz.
Some wireless speakers use the 2.4 GHz frequency band.
The most basic models offer an output power of 3W, while high-end models can go up to 10W and beyond.
Most wireless speakers use rechargeable batteries that last between 5-6 hours.
Some wireless speakers integrate VOIP telephony functions.
Most wireless speakers have a built-in microphone to receive and make calls using a mobile phone in hands-free mode.
Shower speakers are designed for use in humid environments and must withstand water splashes.
Shower speakers have different ways of fixing them, including suction cup, mounting bracket, and carabiner clip.

Bluetooth:

Wireless speakers generally have a range of 10 meters.
Bluetooth devices use a radio communication frequency that does not require visual line of sight.
Some speakers may benefit from the NFC system to facilitate pairing with the source device.

Battery:

Almost all wireless speakers operate on rechargeable batteries that are not replaceable.
Some speaker models with a large battery capacity can also act as a power bank to charge another device to full capacity.

Hybrid wireless speakers:

Starting 2015, some wireless speakers integrate VOIP telephony functions.
Other models have an integrated FM radio.
Most wireless speakers have a built-in microphone.
With the development of voice assistants, manufacturers have integrated the ability to pair them with their devices.

Shower speaker:

A shower speaker is a Bluetooth speaker designed for use in humid environments such as showers or bathrooms.
The speaker must first be paired with a Bluetooth device.
The shower speaker must be able to withstand water splashes.
The shower speaker must be able to be installed in all environments.

Description

Think you know all about wireless speakers? Test your knowledge with our quiz! From the basics of RF waves to the specifics of Bluetooth and battery life, challenge yourself to see how much you know about these portable audio devices. Plus, learn about the unique features of shower speakers and hybrid models. Don't miss out on the chance to prove your expertise in the world of wireless speakers!