Anker Soundcore Liberty 4 Pro vs Panasonic Technics EAH-AZ70W
Design
Ingress Protection (IP) rating
The first number of the IP rating refers to protection against dust, while the second number refers to protection against liquid. E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water.
- Anker Soundcore Liberty 4 Pro ipx5
- Panasonic Technics EAH-AZ70W null
Water resistance
The level of water resistance that the device has.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Has no wires or cables
True wireless devices have no cables connecting any part of the device together. This is an important distinction as some wireless earbuds have cables connecting the two earbuds together.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Neckband
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Wingtips included
These earbuds come with wingtips that can be attached for a more secure fit. Wingtips come in handy for sports and other physical activities. When used correctly, they prevent the earbuds from falling off.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has RGB lighting
RGB lighting allows you to choose between millions of colors and customize the look of your PC components.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has stereo speakers
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Has UV light
The device kills germs, viruses and bacteria using an ultraviolet bulb.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Sound quality
Driver unit size
The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
- Anker Soundcore Liberty 4 Pro 10.5
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- Panasonic Technics EAH-AZ70W 10mm
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Lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
- Anker Soundcore Liberty 4 Pro 14
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- Panasonic Technics EAH-AZ70W 20Hz
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Highest frequency
The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
- Anker Soundcore Liberty 4 Pro 40000
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- Panasonic Technics EAH-AZ70W 20000Hz
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Supports spatial audio
Spatial audio is a technology that creates an immersive, three-dimensional sound experience by simulating audio sources from various directions and distances. It enhances the listener's perception of soundscapes, providing a more realistic and engaging experience for music, movies, or games.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has Dolby Atmos
Dolby Atmos is a surround sound technology that allows sounds to be interpreted as three-dimensional objects. By doing so, Dolby Atmos allows for immersive, 360-degree sound.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Power
Battery life
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.
- Anker Soundcore Liberty 4 Pro 10
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- Panasonic Technics EAH-AZ70W 6h
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Battery life of charging case
The battery life of the charging case as given by the manufacturer. A charging case with a longer battery life allows you to recharge your headphones on the go multiple times before having to recharge the case itself.
- Anker Soundcore Liberty 4 Pro 40
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- Panasonic Technics EAH-AZ70W null
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Battery life (ANC)
The battery life when using active noise cancellation (ANC), as given by the manufacturer.
- Anker Soundcore Liberty 4 Pro 7.5
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- Panasonic Technics EAH-AZ70W null
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Has wireless charging
It supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has a solar power battery
A solar battery takes its energy from light, and stores it in a self-recharging battery which never needs to be changed.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Connectivity
Has USB Type-C
The USB Type-C features reversible plug orientation and cable direction.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W 5
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Bluetooth version
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
- Anker Soundcore Liberty 4 Pro 5.3
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- Panasonic Technics EAH-AZ70W null
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Has LDAC
LDAC is a codec developed by Sony for Bluetooth audio. It is capable of a very high bitrate of 990kbps, which provides high resolution audio. It can also automatically adjust to a lower bitrate of 330kbps or 660kbps to increase stability.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has aptX Adaptive
aptx Adaptive is an audio codec for Bluetooth devices that is developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps), which means it can adjust the bit rate for different scenarios, such as listening to HD audio or reducing interference from other devices.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has aptX Low Latency
aptX Low Latency is a codec developed by Qualcomm. It uses Bluetooth 5.0 technology to provide low latency audio (around 40ms), which is useful when you want to avoid audio lag (e.g. when playing games).
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has aptX HD
aptX HD is an audio codec for Bluetooth devices that is developed by Qualcomm. It supports high quality 24-bit audio (at a bit rate of 576kbps).
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has aptX
aptX is a codec used for transmitting audio wirelessly with Bluetooth. It is developed by Qualcomm, and supports 16-bit audio at a bit rate of 384kbps.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Has aptX Lossless
aptX Lossless is an audio codec for Bluetooth devices that is developed by Qualcomm. It supports high quality 16-bit/44.1kHz audio (at a maximum bit rate of 1200kbps). This codec provides CD-quality audio without any loss of data.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W 10m
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Audio latency
Latency refers to the time it takes for the audio signal to be transmitted to your headphones/earbuds. Lower latency reduces audio lag, and is particularly important when playing games or watching videos.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Maximum Bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
- Anker Soundcore Liberty 4 Pro 10
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- Panasonic Technics EAH-AZ70W null
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Supports Bluetooth pairing using NFC
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Features
Has ambient sound mode
Ambient sound mode uses microphones to pass through ambient noises so that they can still be heard. It’s useful when you want to listen to music but also be aware of what’s happening around you, for example when you’re jogging but still want to be able to hear traffic.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has find earbuds feature
You can use the app to play a sound from your earbuds to help you locate them.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Supports fast charging
Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Multipoint count
Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.
- Anker Soundcore Liberty 4 Pro 2
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- Panasonic Technics EAH-AZ70W null
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Can read notifications
It can read out any notifications that you receive while you're using the earbuds/headphones.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Control panel placed on a device
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.
- Anker Soundcore Liberty 4 Pro null
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- Panasonic Technics EAH-AZ70W null
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Travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Has an in-line control panel
There is a control panel on the cable, so you can easily operate the device without having to interact with it.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W
Miscellaneous
Sweat resistance
Resistance to sweat makes it ideal for use while doing sports.
- Anker Soundcore Liberty 4 Pro
- Panasonic Technics EAH-AZ70W