# Headphone Amplifier Terratec HA-1

**URL:** https://aio.lv/en/product--terratec-166733--3118384
**Data updated:** 2026-01-13 17:38 (EET)
**Category:** Electronics Accessories
**Manufacturer:** TerraTec
**Manufacturer code:** 166733
**EAN:** 4040895667335
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--terratec-166733--3118384

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Terratec HA-1 headphone amplifier delivers peak power of 0.06 W per channel with a high signal-to-noise ratio of 95 dB. It supports headphones with an impedance of 16 - 300 Ω and features a 3.5mm connectivity. With a USB power source and an impressive battery life of 150 hours, this compact amplifier (53 mm wide, 10.7 mm deep, 111.5 mm high) is perfect for audiophiles on the go.

## Long description

The TerraTec HA-1 headphone amplifier is a compact portable amplifier designed to increase audio output and improve listening detail for a wide range of headphones. Delivering a peak power of 0.06 W per channel and a signal-to-noise ratio of 95 dB, the unit supports headphone impedances from 16 to 300 Ω and connects via a 3.5 mm jack. Powered by USB and offering up to 150 hours of battery life under typical conditions, the HA-1 is engineered for mobile use and desktop convenience in a small housing measuring 53 mm × 10.7 mm × 111.5 mm.
Advantages
The HA-1 combines a compact form factor with sufficient output for both low- and mid-impedance headphones while maintaining a high signal-to-noise ratio for cleaner audio. USB power eliminates the need for dedicated power adapters and the long battery life enables extended sessions without frequent recharging. The universal 3.5 mm connector ensures compatibility with most portable audio sources and headphones.
Suitable for
Mobile listening with smartphones, tablets and laptops
Improving volume and dynamics for in-ear monitors and on-ear headphones
Portable desktop use with compact audio setups
Travel and commuting where long battery life is required
Key specifications
Peak output power: 0.06 W per channel
Signal-to-noise ratio: 95 dB
Supported headphone impedance: 16–300 Ω
Output connector: 3.5 mm jack
Power input: USB
Battery life: up to 150 hours (typical)
Dimensions (W × D × H): 53 mm × 10.7 mm × 111.5 mm
How to use
Connect the HA-1 to a compatible audio source using the 3.5 mm input and attach your headphones to the 3.5 mm output. Provide power to the device via a USB connection to a power bank, computer or USB charger. Adjust the volume on the source device and, if available, on the HA-1 to achieve the desired listening level. For optimal sound quality, allow a short warm-up period after powering on and avoid driving the amplifier into distortion at high volume settings.
Usage recommendations
Use the TerraTec HA-1 with headphones in the supported impedance range (16–300 Ω) and connect to stable USB power sources for reliable battery charging. To preserve battery life, disconnect power when not in use and store the amplifier in a dry, dust-free environment. When pairing with sensitive in-ear monitors, start at low volume and increase gradually to prevent hearing damage and to avoid clipping.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.1 kg |
| Power source | USB |
| Height | 111.5 mm |
| Signal-to-Noise Ratio (SNR) | 95 dB |
| Width | 53 mm |
| Depth | 10.7 mm |
| Product colour | Black |
| Cables included | Audio (3.5mm), USB |
| DC-in jack | Yes |
| Headphone connectivity | 3.5mm |
| Frequency range | 10 - 100000 |
| Output impedance | 16 - 300 |
| Peak power per channel | 0.06 W |
| Battery life | 150 h |
| Adjustable volume | Yes |

## FAQ

### How much does the Headphone Amplifier Terratec HA-1 cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 213 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 09.07.2026 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 TerraTec 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 TerraTec 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/3118384/64203504_large.webp