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$2,072 €1,799
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FreeValue ~ $138 (€120)
Two Audioquest Forest 48 8K-10K HDMI cables, gold connectors, green jacket, black body, front view, side by side, vertical, on white backgroundAudioquest HDMI Forest 48Gbps 1.5m
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Specifications and features

BluetoothDolby AtmosDolby TrueHDDolby VisionDTS-HD Master AudioDTS:X

Overview

The IOTAVX AVX17 represents the pinnacle of British expertise in multichannel audio processing. This exceptional preamplifier offers remarkable flexibility with its management of 17 channels, enabling fully three-dimensional audio configurations. Unlike the current trend of adding rarely used features, IOTAVX has chosen to focus exclusively on the quality of audio and video processing, delivering an unbeatable price-to-performance ratio in this category.

A sound architecture adaptable to your space

The AVX17 stands out for its ability to handle up to 17 channels simultaneously, offering unparalleled versatility for your home theater setup. This flexibility allows you to configure your system in various combinations: 9 speakers at listening level, up to 6 ceiling speakers, and 4 independent subwoofers.

This adaptability lets you customize your setup according to your room’s specifics. Prefer more ceiling speakers for a stronger sense of verticality? Opt for a 7.4.6 configuration with six ceiling speakers. Want to emphasize horizontal sound? The 11.4.2 or even 13.4 configuration without height speakers is still possible. This modularity is a major asset for adapting the system as your audio needs evolve.

High-definition audio processing at the heart of the system

The fundamental principle guiding the design of the AVX17 is simple: focus on the essentials by eliminating all superfluous features to optimize audio quality. IOTAVX has deliberately left out options like WiFi, Ethernet, or built-in streaming features to concentrate its resources on sound processing quality.

At the heart of this processor is a carefully selected CS42528 digital-to-analog converter. While this DAC isn’t the most sophisticated on the market, it nonetheless delivers outstanding performance in its price range. This pragmatic approach allows IOTAVX to offer a high-performing device without unnecessarily inflating its price.

Full support for modern three-dimensional sound formats like Dolby Atmos and DTS:X ensures faithful reproduction of even the most demanding soundtracks. Every sonic detail is precisely positioned in space, whether it’s a helicopter flying overhead or a gentle rain falling around you.

Powerful calibration system

The acoustics of a room can significantly affect sound quality, even with the best equipment. To address this, the AVX17 features the EQFlex calibration system, which finely adapts the sound to your listening environment.

This system goes beyond simple acoustic correction by offering parametric equalizers for each of the 17 channels. The front and center speakers benefit from eleven bands of equalization, the other speakers have seven bands, while each subwoofer can be adjusted with five dedicated equalization bands.

This level of precision is especially useful for managing subwoofers. Each subwoofer can be individually adjusted for volume, phase, and level, ensuring optimal bass coverage throughout the room. This approach eliminates areas where bass might be too weak or too strong—a common issue in many home theater setups.

Comprehensive connectivity for perfect integration

The AVX17 offers a complete range of connections to suit all types of installations. On the video side, its six HDMI inputs and two HDMI outputs are compatible with HDMI 2.0b and HDCP 2.2 standards, allowing transmission of 4K content with support for HDR10 and Dolby Vision formats.

The dual HDMI output is particularly convenient for setups combining a TV and a projector, avoiding the need for an external splitter. For audio, the device offers three analog RCA inputs, two coaxial and two optical digital inputs, as well as a USB input for connecting a computer.

A notable feature of the AVX17 is the simultaneous presence of RCA and XLR outputs for each of the 17 channels. This dual option allows for maximum installation flexibility: balanced XLR connections offer better resistance to interference over long distances, while RCA outputs ensure compatibility with most amplifiers on the market.

Simplified multiroom experience

For those who want to play music in multiple rooms, the AVX17 includes a Zone 2 feature with dedicated audio outputs. This option lets you listen to a different source in a second room, with independent volume control. Simply connect these outputs to active speakers or a separate amplifier to instantly enjoy a simple yet effective multiroom system.

Recommended configurations

To get the most out of the AVX17, several configurations are possible depending on your preferences and budget. For an optimal Dolby Atmos experience in a 7.2.4 setup, IOTAVX recommends pairing the AVX17 with the AVXP 7-230 amplifier for all channels, or with a combination of AVXP 3-230 amplifiers for the front channels and AVXP1 for the surround and ceiling channels.

This modular approach allows you to focus amplification power where it’s most needed (typically on the front channels, which handle the most demanding frequencies), while optimizing the overall system budget.

Documentation

User manual

Technical Specifications

Product Type

  • 17-channel audio-video processor 4K / HDR / Dolby Vision / Dolby Atmos & DTS:X

Supported Formats

  • Compatible audio and video formats: Dolby Atmos, DTS:X, Dolby Digital, Dolby TrueHD, Dolby Surround, Dolby Vision, DTS, DTS HD Master Audio, DTS Neo:6, S/PDIF, multichannel PCM digital audio

Video Connectivity

  • Video inputs: 6x HDMI (2.0b, HDCP 2.2, 4K, HDR10, Dolby Vision)
  • Video outputs: 2x HDMI (2.0b, HDCP 2.2, 4K, HDR10, Dolby Vision)

Audio Connectivity

  • Audio inputs:
    • 3x RCA
    • 2x S/PDIF coaxial
    • 2x Toslink optical
    • 1x Bluetooth (IOTAVX Bluetooth adapter required)
  • Audio outputs:
    • 17-channel RCA
    • 17-channel balanced XLR

Other Connections

  • Additional outputs:
    • 2x trigger outputs
    • 2x dimmer outputs
  • Additional inputs:
    • 1x RS-232 input
    • 1x USB input (reserved for software updates)

Electrical Specifications

  • Power supply voltage: 115VAC or 230VAC, @ 50/60Hz (automatic switching)
  • Standby power consumption: <0.5W

Physical Specifications

  • Dimensions (W x H x D): 435 x 122 x 328 mm
  • Weight: 5.6 kg

Frequently Asked Questions

Why doesn’t the AVX17 include streaming features like most modern devices?

This deliberate choice reflects IOTAVX’s design philosophy: focus on the essentials—audio processing quality—and eliminate secondary features that increase cost without directly contributing to sound performance. For streaming, you can simply use an external device connected to one of the many available inputs, which also allows you to upgrade this feature independently of the processor.

Which amplifiers are best suited for the AVX17?

The IOTAVX amplifier range (AVXP1, AVXP 3-230, AVXP 7-230) is naturally optimized to work with the AVX17. However, thanks to its RCA and XLR outputs, this preamplifier is compatible with virtually all power amplifiers on the market. For the best experience, choose amplifiers that offer good dynamics and power suited to your speakers and room size.

How does the EQFlex calibration system work?

EQFlex is a calibration system that analyzes your room’s acoustics and adjusts audio settings accordingly. Unlike some automatic systems, EQFlex offers precise parametric control for each channel, allowing fine-tuning according to your personal preferences. The system is particularly effective at harmonizing multiple subwoofers, eliminating common issues such as resonance modes or phase cancellations.

User reviews

Patrick

Satisfied with the product. I would have liked instructions in French with more explanations on how to use it. It’s a preamp that really packs a punch; you really feel like you’re in the movie, it’s so immersive. I haven’t fully mastered the beast yet to get even better settings, but that will come.

Comment from January 05, 2026 — Experience from December 25, 2025

Automatically translated — Show original (French)
Satisfait du produit j aurai aimer notice plus d explication en français sur le mode d emploi c est un preampli qui envoie pas mal on a vraiment l impression d etre dans le film tellement c est immerssif j ai pas encore bien maîtriser la bête pour des réglages encore plus performants mais sa viendra
  • Eco-contribution of €2 included in the sale price.
  • GTIN / EAN: 5060530750153
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