AUDAC EPA104 audio amplifier

Name: AUDAC EPA104 audio amplifier 4.0 EPA104
Brand: Audac
SKU: 10840321
Price: 766.99 EUR
Availability: InStock

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AUDAC EPA104 audio amplifier 4.0 channels Class D THD 0.1%

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Short description

The AUDAC EPA104 is a Class D audio amplifier featuring 4 channels and a total harmonic distortion of only 0.1%. It operates on an AC input voltage of 100-240 V and consumes 188 W of power. Designed for efficient performance, it includes clamp terminals for reliable speaker connectivity, making it ideal for various audio applications.

Available for order: 2 pcs.

Warranty: 2 Years

SKU: 10840321

Manufacturer: Audac

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From 4.99 € (Weight: 4.50 kg)

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36 months installment: from 21.31 euros per month

Leasing for legal entities: from 26.69 euros per month

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Product information

Description

The AUDAC EPA104 audio amplifier 4.0 channels Class D THD 0.1% is a compact, energy-efficient four-channel Class D amplifier designed for both fixed and mobile installations. It delivers four independent channels that can be configured as two stereo pairs, operates from an AC input of 100–240 V and has a total harmonic distortion of 0.1%. The unit is passively cooled and occupies a single rack space, offering low maintenance and reliable operation. Signal inputs use balanced XLR connectors with XLR link-through outputs, while speaker outputs use clamp-style terminal blocks. The amplifier also features automatic standby when no audio is detected and several protection circuits for safe operation.

Advantages

The amplifier’s Class D design provides high efficiency and reduced heat generation, allowing passive cooling without fans and minimizing maintenance. Its compact single-rack format and relatively low weight support easy installation in both permanent and mobile setups. Balanced XLR inputs with link-through outputs simplify signal routing, while clamp terminal speaker outputs ensure stable connections. Integrated protection against DC faults, short circuits, overheating and overload enhances long-term reliability. Automatic standby reduces power consumption when no audio signal is present.

Suitable for

Small to medium stereo systems requiring a compact multi-channel amplifier
Mobile DJ setups and portable PA systems where low weight and single-rack size matter
Installed audio in meeting rooms, classrooms or retail spaces
Two independent stereo zones or applications combining full-range and bass cabinets

Key specifications

Amplifier class: Class D
Channels: 4 independent channels (configurable as two stereo pairs)
Total harmonic distortion (THD): 0.1%
AC input voltage: 100–240 V
Power consumption: nominal 188 W
Standby consumption: < 1 W when no audio is detected
Cooling: passive (fanless)
Inputs: balanced XLR connectors with XLR link-through outputs
Speaker outputs: clamp/terminal block connectors
Form factor: single rack space, compact and lightweight

How to use

Install the amplifier in a standard 19" rack space or place it on a stable shelf for mobile use. Connect balanced audio sources to the XLR input connectors and, if required, use the XLR outputs to link signal to additional units. Connect speakers to the clamp terminal block outputs, ensuring correct polarity and appropriate speaker impedance. Power the unit from a 100–240 V AC mains supply. The amplifier will automatically enter standby when no audio signal is detected; normal operation resumes automatically when signal is present. Observe the built-in protection indicators and allow adequate ventilation around the unit despite its passive cooling design.

Usage recommendations

For reliable long-term operation, use balanced audio cabling for input signals, match speaker impedance to the amplifier’s specifications, and avoid obstructing airflow around the chassis. In installations with bass cabinets, use the amplifier’s stereo pairing and crossover capabilities to allocate channels appropriately between full-range and low-frequency drivers.

Specifications

Weight:: 4.5 kg
Audio output channels:: 4.0
Product colour:: Black

All features

Material:: Steel
RMS power output per channel (4 Ohm):: 100 W
RMS power output per channel (8 Ohm):: 50 W
Amplifier class:: D

Weight & dimensions

Weight:: 4.5 kg
Height:: 44 mm
Width:: 482 mm
Depth:: 330 mm

Operational conditions

Operating relative humidity (H-H):: 0 - 95
Operating temperature (T-T):: 0 - 40

Power

Power consumption (typical): Power consumption in switched-on state expressed in W.: 188 W
Power consumption (standby):: 0.8 W
AC input frequency:: 50 - 60
AC input voltage:: 100-240

Ports & interfaces

Speakers connectivity type:: Clamp terminals

Audio

Signal-to-Noise Ratio (SNR):: 90 dB
Audio output channels:: 4.0
Total Harmonic Distortion (THD):: 0.1 %
Input impedance:: 12000 Ω
Crosstalk (1kHz):: 70 dB

Technical details

Product colour:: Black
Sustainability certificates:: ENERGY STAR

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Customer questions

FAQ

How much does the AUDAC EPA104 audio amplifier cost, and is it available for purchase?

The price is 766.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 02.07.2026 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, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can AUDAC EPA104 audio amplifier be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the AUDAC EPA104 audio amplifier online, and the application process is as simple as possible:

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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 Audac 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 Audac 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, audio output channels, 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.

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