Their type or too few of their facts are known yet, so they are not in our ranking.
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Is the Truthear Zero Red right for your home? Find out in 7 questions →Green is the best of these 3, also when they share the lead.
| This model Truthear Zero Red Best on 1 fact | Higher score, 82% pricier Soundcore Liberty 4 NC Best on 1 fact | Higher score, 82% pricier Soundcore Space A40 Best on 1 fact | |
|---|---|---|---|
| Most important facts | |||
| The lowest price today at a store that ships to you, shipping included. A price with an asterisk comes from a store abroad, and its shipping cost is our own estimate. Lowest price | $54Headphones.com best | $99Soundcore (brand store) | $99Soundcore (brand store) |
| Our own score out of 10: 60% the maker’s facts and 40% store ratings. Price does not count. Score | not in our ranking | ||
| The average of the stars buyers give at the stores, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | ★ 4.3 · 217 reviews | – |
| How the headphones cancel outside noise with microphones. Hybrid uses microphones outside and inside the cup, adaptive also adjusts to the sound around you. When it matters
When it matters less
Source
| – | Adaptive | Adaptive |
| How long the headphones or the earbuds play on one charge with noise cancelling on, as the maker states it. In this comparisonWhen it matters
When it matters less
Source
| – | 8 h | 8 h |
| What the headphones or one earbud weigh. Lighter is more comfortable for hours at a time. In this comparisonWhen it matters
When it matters less
Source
| – | 5.2 g | 4.9 g best |
| The Bluetooth version. A newer one connects more steadily and uses less power, if the phone has it too. In this comparisonSource
| – | 5.3 best | 5.2 |
| How well they resist water and dust, as the IP code states. IPX4 survives sweat and rain, IPX7 a short dip in water. When it matters
When it matters less
Source
| – | IPX4 | IPX4 |
| How the sound is packed for Bluetooth. AAC suits iPhones, aptX and LDAC carry more detail from Android phones that support them. When it matters
When it matters less
Source
| – | LDAC | SBC, AAC, LDAC |
| Connected to two devices at once, such as a phone and a laptop, and switching by itself to the one that plays. When it matters
When it matters less
Source
| – | yes | yes |
On November 13, 2026 the lowest price for the Truthear Zero Red is $54 at Headphones.com, shipping to the United States included.
Shipping included, sales tax added at checkout. We may earn a commission when you buy through our links. How we read and order prices
Also at Amazon, price not shown yet: Amazon.com (red).
Based on the maker's specifications and our price data. None of our test sources has tested this model.
Product on the market since February 2024
How the headphones sit: over the ear, on the ear, in the ear canal, in the outer ear, beside the ear or on the cheekbone.
Source: truthear.com · checked on Nov 1
Two separate earbuds with no wire between them, charged in a case.
96 of the 184 models we track have this.
Source: derived, no source of its own · checked on Nov 1
They play over Bluetooth, without a cable to the phone.
153 of the 184 models we track have this.
Source: derived, no source of its own · checked on Nov 1
The kind of speaker inside. Dynamic drivers are the most common. Planar and electrostatic ones are mostly found in expensive headphones for home listening.
Source: truthear.com · checked on Nov 1
The diameter of the speaker inside. A bigger driver does not by itself mean better sound.
10 mm on this model
Lowest
4.7 mm Highest
56 mm Middle
12 mm
Lower than 83 of the 107 models we track.
Source: truthear.com · checked on Nov 1
How many sizes of ear tips come in the box. More sizes make it likelier that one seals your ear, which decides both comfort and how much noise is kept out.
3 on this model
Lowest
3 Highest
7 Middle
4
Lower than 16 of the 26 models we track.
Source: truthear.com · checked on Nov 1
The lowest tone the maker says they play. It says little about how the bass actually sounds.
20 Hz on this model
Lowest
4 Hz Highest
50 Hz Middle
20 Hz
Higher than 51 of the 104 models we track.
Source: truthear.com · checked on Nov 1
The highest tone the maker says they play. Adult hearing stops well below most figures.
40,500 Hz on this model
Lowest
16,000 Hz Highest
80,000 Hz Middle
29,000 Hz
Higher than 96 of the 104 models we track.
Source: truthear.com · checked on Nov 1
The electrical resistance. Wired headphones with a high impedance need an amplifier to play loud enough.
17.5 Ω on this model
Lowest
15 Ω Highest
520 Ω Middle
32 Ω
Lower than 49 of the 75 models we track.
Source: truthear.com · checked on Nov 1
How loud they play on a given signal. A higher figure plays louder from a weak source, such as a phone.
117.5 dB SPL on this model
Lowest
91 dB SPL Highest
122 dB SPL Middle
100 dB SPL
Higher than 54 of the 58 models we track.
Source: truthear.com · checked on Nov 1
Sources: truthear.com
The maker
TRUTHEAR is an audio company founded in 2022 and headquartered in Shenzhen, China. It researches, develops, produces and sells audio products, with a focus on in-ear monitors. Its range also includes over-ear headphones, wireless earbuds and USB dongles. Among its in-ear monitors is the TRUTHEAR Zero Red, a model with two dynamic drivers.
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