Are TDK Speakers good?

​TDK has a very balanced and nice sound. It sounds “real” and natural in the whole frequency range and the bass is in place without being excessive. If you need more weight then there are tone controls for both bass and treble. A boombox should have heavy bass, and in this area the TDK is no disappointment.

How do I pair my TDK Bluetooth speaker?

Press the Bluetooth button on top of the speakers to enter Bluetooth mode. Press and hold the Bluetooth button for 3-4 seconds until the Bluetooth light starts blinking rapidly. This will make the phone ready to connect to the speaker.

How do I reset my TDK Bluetooth speaker?

It may be necessary to reset the speaker. In order to reset your speaker press the following buttons: Volume -, Volume +, Speaker Phone button, and then the Bluetooth button.

How do piezo speakers work?

They work by using a piezo crystal, a special material that changes shape when voltage is applied to it. If the crystal pushes against a diaphragm, like a tiny speaker cone, it can generate a pressure wave which the human ear picks up as sound.

How do I change the battery in my TDK A33?

Remove the bottom panel from the A33 by inserting both fingers in the gaps on the edge of the panel and lifting up until the bottom panel comes off of the device. Remove the old battery from its housing in the A33 by holding the device up and gently tapping the bottom on your hand until the battery pops out of the A33.

How do you charge TDK Max Trek?

Connect the AC power adapter to the DC IN jack on the side of the TREK Max (under the protective flap on the right side of the unit) and then connect the plug to a 100V-240V wall outlet. The TREK Max rechargeable battery will automatically be charged as long as the TREK Max is plugged in.

Can you use a piezo as a speaker?

Piezoelectric speakers are frequently used to generate sound in digital quartz watches and other electronic devices, and are sometimes used as tweeters in less-expensive speaker systems, such as computer speakers and portable radios. They are also used for producing ultrasound in sonar systems.

What is piezo speaker sound?

The Piezoelectric speaker is known by quite a few names, piezo, buzzer and crystal loudspeaker is just some of them. In its essence, it is a speaker that uses a piezoelectric effect to generate the sound. By applying a voltage to a piezoelectric material, it creates the initial mechanical motion.

How do you drive a piezo speaker?

In order to drive a piezo through an amplifier, you need to put a signal into the amplifier, and the maximum voltage range of that input signal needs to be within the amplifier’s input voltage range. This is typically between 1V and 5V.

Where do you connect piezoelectric?

All of the piezo products can be connected to with spring loaded contacts, or pogo pins. There are a number of products on the market that work well but Piezo.com has had good experience with the products made by Mill-Max.