# TRUTHEAR KEYX Portable Headphone Amplifier and DAC

**URL:** https://aio.lv/en/product--truthear-keyx--12674452
**Data updated:** 2026-09-18 04:53 (EEST)
**Category:** Headphones
**Manufacturer:** TRUTHEAR
**Manufacturer code:** keyx
**EAN:** 6975462650213
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-11-07 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--truthear-keyx--12674452

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.10.2026 | free |
| Pickup points | 27.10.2026 | 1.99 EUR |
| Courier delivery to door | 27.10.2026 | 4.99 EUR |

## Summary description

Enhance your audio experience with the TRUTHEAR KEYX portable digital-to-analog converter and headphone amplifier. Designed for music enthusiasts seeking high-fidelity sound, this device connects seamlessly to various sources to deliver clear audio performance for your headphones. Ideal for daily commuting, travel, and mobile listening setups, ensuring reliable sound reproduction wherever you go.

## Long description

The TRUTHEAR KEYX portable headphone amplifier and digital-to-analog converter is designed to enhance your audio experience across a variety of source devices. By integrating high-performance decoding hardware directly into a compact format, this device delivers reliable sound reproduction for daily music listening, commuting, and travel. It provides a straightforward hardware upgrade for users seeking clear audio performance without complex setup procedures.
Advantages
The device utilizes a high-grade decoding chip to ensure precise signal processing, wide frequency range, and a high dynamic range while minimizing distortion and noise. Its L-shaped housing eliminates traditional internal cable connections between the audio jack and the circuit board, resulting in a durable, compact, and ergonomic form factor that minimizes radio frequency interference from nearby communication devices. Additionally, the unit supports inline microphones for voice communication and offers broad compatibility with popular multimedia and streaming platforms.
Suitable for
Daily commuting and travel listening setups
Connecting headphones to smartphones and computers
Voice communication and gaming via microphone support
Precise sound tuning through online configuration tools
When it may not be suitable
This portable headphone amplifier may not be suitable for high-impedance studio headphones that require dedicated desktop amplification systems with balanced XLR connections. Users who prefer offline standalone hardware configuration without relying on web-based tuning platforms may also find certain advanced features less accessible.
Key specifications
Cirrus Logic CS43131 decoding chip
Maximum decoding capability of PCM 384 kHz/32-bit and DSD256
Frequency response range from 20 Hz to 20 kHz
USB-C input to 3.5 mm 4-pin single-ended output with microphone support
Signal-to-noise ratio of typical 122 dB
Output level of 50 mW or greater at a 32-ohm load
How to use
Connect the portable DAC directly to a compatible USB-C port on your smartphone, tablet, or computer, and plug your 3.5 mm headphones into the output jack. The device draws power directly from the host source, requiring no external batteries or charging cables. For advanced sound adjustments, connect your device to a computer and utilize the web-based configuration platform to manage equalization parameters and customize your audio profile.
What to consider before purchase
Compatibility of your source device with USB-C audio output
Headphone plug type and impedance requirements
Requirement of a computer connection for advanced equalizer tuning
Usage recommendations
For optimal sound quality and reliable performance, ensure your source device firmware is up to date and keep the unit away from excessive moisture and extreme temperatures during daily portable use.

## FAQ

### How much does the TRUTHEAR KEYX Portable DAC and Headphone Amplifier cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.10.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All TRUTHEAR products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TRUTHEAR service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12674452/70037718_large.webp