SKU: 31868958569

HELIX HDM 2 - C FOUR - Digital Input Module For HELIX C FOUR Amplifier

Sale price$116.99 Regular price$129.99
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

HELIX HDM 2 - C FOUR - Digital Input Module For HELIX C FOUR AmplifierHELIX HDM 2 C FOUR Do it digitally ready for high res audio With the HELIX Digital Input Module (HDM) your HELIX amplifier accomplishes the perfect transition to the digital world. It extends our amplifiers with an integrated HDM slot by two optical digital stereo inputs and enables completely interference free and ground isolated signal transmission in best possible quality right into the amplifier. The module can handle digital audio signals up to a

HELIX HDM 2 - C FOUR

Do it digitally – ready for high-res audio

With the HELIX Digital Input Module (HDM) your HELIX amplifier accomplishes the perfect transition to the digital world.

It extends our amplifiers with an integrated HDM slot by two optical digital stereo inputs and enables completely interference-free and ground-isolated signal transmission in best possible quality right into the amplifier. The module can handle digital audio signals up to a sampling rate of 96 kHz losslessly via fiber optics cable and converts them back to the analog level via two cutting-edge BurrBrown DA converters.

But that's not all – in order to get the very last bit of performance out of the amplifier and avoid even the slightest influence of its input stage, the SPDIF Direct In function can be used to route the audio signal from the HDM module directly and without any detours to the output stages of the amplifier.

This makes your HELIX amplifier absolutely future-proof and perfectly equipped for the combination with our digital signal processors.

Features

  • Two optical digital inputs in SPDIF format inclusive SPDIF Direct In switches
  • SPDIF Direct In function allows to route the audio signals from the HDM module directly to the amplifier output stages for optimized sound performance
  • Cutting-edge BurrBrown DA converters with 32 Bit resolution
  • Accepts digital audio signals up to 96 kHz sample rate
  • Including device-specific side panel

Technical data

Inputs 2 x Optical
Input sampling rate
28 kHz to 96 kHz
Input format
SPDIF
Additional features SPDIF Direct In function

Compatibility

  • HELIX C FOUR

Scope of delivery

1 x HDM 2 module
1 x Device-specific side panel for HELIX C FOUR
1 x Allen screw
1 x Allen key
1 x Instruction manual

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31868958569

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Sonia V.
Fort Morgan, US
★★★★★ 5
Costoso para el tamaño
Color: Pink
Muy buena calidad aunque muy caro para el tamaño
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Reviewed in the United States on February 5, 2026
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Cad
Natrona Heights, US
★★★★★ 3
Cost associated either app.
Color: Pink
Not easy instructions and didn’t know there would be a membership cost for app.
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karolina
Waukegan, US
★★★★★ 1
Average quality, not as premium as expected
Color: Beige
Before buying, I thought it would be a thick, glossy satin ribbon. After receiving it, I found the material is rather thin and the texture feels quite ordinary. When used for gift wrapping, it looks a bit cheap and doesn’t match the effect shown in the pictures.
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Reviewed in the United States on December 26, 2025
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albert berenberg
Port Orchard, US
★★★★★ 1
Print quality is inconsistent
Color: Pink
Some labels come out okay, others look blurry or faded, especially with smaller fonts. For decorative ribbons, details matter, and this just isn’t reliable.
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Reviewed in the United States on December 26, 2025
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Kimberley Cameron
Charlottesville, US
★★★★★ 1
Edges fray easily after cutting
Color: Beige
After cutting the ribbon, the edges tend to fray quite easily. This makes it less attractive when tying bows or using it for decoration, and it requires extra handling, which is not very convenient.
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Reviewed in the United States on December 26, 2025

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