# Headphone Amplifier InLine AmpEQ mobile Tri-Tone Hi-Res

**URL:** https://aio.lv/en/product--inline-99204i--1076987
**Data updated:** 2025-12-29 05:36 (EET)
**Category:** Headphones
**Manufacturer:** InLine
**Manufacturer code:** 99204I
**EAN:** 4043718254583
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 153.99 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 127.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-99204i--1076987

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The InLine AmpEQ mobile Tri-Tone Hi-Res Audio Pre- and Headphone-Amp features a 3.5mm stereo connection, output impedance of 16 - 600 Ω, and a gain of -10 dB. It is powered by a 2200 mAh Lithium Polymer battery, with a quick charging time of just 2 hours via USB. Included cables are Micro-USB, ensuring compatibility and convenience for high-resolution audio playback.

## Long description

Discover clearer, customizable sound with the InLine AmpEQ mobile Tri-Tone Hi-Res Headphone Amplifier. This compact Hi-Res pre- and headphone amplifier offers a 3.5 mm stereo connection, selectable 3-band equalizer and loudness control for personalised playback. It supports output impedances from 16 to 600 Ω and provides a gain setting of -10 dB. A 2200 mAh lithium‑polymer battery powers the unit and charges in about 2 hours via the included Micro‑USB cable. Note: the operating instructions refer to the website ‘Drivers-Download’, which is not affiliated with the manufacturer and is being misused for phishing; do not use that website.
Advantages
The InLine AmpEQ delivers Hi-Res compatible audio processing with a built‑in 3-band equalizer and a loudness button for quick tonal adjustment. Portable battery power and fast USB charging enable extended mobile use, while the wide supported output impedance range (16–600 Ω) ensures compatibility with a broad variety of headphones. The silver, compact housing provides simple connectivity via a 3.5 mm stereo jack.
Suitable for
Listening to high-resolution music from mobile devices
Improving sound quality of headphones with mid to high impedance (16–600 Ω)
On‑the‑go use where portable amplification and EQ adjustment are needed
Users who want quick tonal shaping with a tri-band EQ and loudness control
Key specifications
Connection: 3.5 mm stereo
Output impedance: 16–600 Ω
Gain: -10 dB
Battery: 2200 mAh Lithium‑Polymer
Charging: Micro‑USB, approx. 2 hours
Colour: Silver
Brand / MPN / EAN: InLine / 99204I / 4043718254583
How to use
Connect your audio source to the amplifier using the 3.5 mm stereo input, then connect your headphones to the output. Switch on the amplifier and adjust the 3-band equalizer and loudness button to achieve the desired tonal balance. Monitor battery level and recharge the unit using the supplied Micro‑USB cable; a full charge typically takes about two hours.
Usage recommendations
Avoid visiting the ‘Drivers-Download’ website referenced in the included operating instructions; it is not affiliated with the manufacturer and is being misused for phishing. Use only the supplied cables and official chargers, and keep firmware or driver updates to verified sources from the manufacturer.

## Specifications

| Feature | Value |
|---|---|
| Line-in | Yes |
| Line-out | Yes |
| Treble adjustment | Yes |
| Output impedance | 16 - 600 |
| Gain | -10 dB |

### Performance

| Feature | Value |
|---|---|
| Product colour | Silver |

### Other features

| Feature | Value |
|---|---|
| Headphone connectivity | 3.5mm |
| Battery life | 6 h |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 2200 mAh |
| Power source | USB |
| Charging time | 2 h |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Micro-USB |

### Supplier features

| Feature | Value |
|---|---|
| Adjustable volume | Yes |

## FAQ

### How much does the Headphone Amplifier InLine AmpEQ mobile Tri-Tone Hi-Res cost, and is it available for purchase?

The price is 153.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 29.06.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Headphone Amplifier InLine AmpEQ mobile Tri-Tone Hi-Res be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 InLine 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 InLine 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Headphone Amplifier InLine AmpEQ mobile Tri-Tone Hi-Res?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1076987/64133550_large.webp