Meet, Helio DSP

Precise controls, impeccable audio

• Digital processor with 4 XLR line inputs, 8 XLR line outputs

• 96kHz sampling, high-performance 32-bit converters

• System configuration and control via Ethernet, USB or front panel

• Signal processing via intuitive software allows configuration and control for signal routing, mixing, equalization, filtering (including FIR), and delay

• Save and recall up to 30 presets

• Password protect user-selectable menus or entire device

• Stack up to 16 units via network connectivity

• Rack mountable (1U)

• Included Arctic Desk PC app

Key features

High-performance
audio processing and conversion

Easy to configure and control
with advanced precision

Store and recall up to 30 presets,
using non-volatile memory

Password protect user-selectable menus or entire device

"You can feel the build quality of the product is very strong. We copied our system settings from a previous unit to this new one. The audio clarity is just amazing. The audio sounds clean and we can be really precise with tuning the EQs. So far we've had a great experience with this DSP and we're so happy to support local!!"

"I love how simple it is to use.. and the sound quality is truly remarkable."

★★★★★

★★★★★

Rest assured, your setup is complete and saved.

In the event of a power outage, each unit is equipped with non-volatile memory, ensuring that the device preserves stored data even when the power is turned off.

Plus, you can password protect user-selectable menus or the entire device.

Technical specifications

Processor: 40-bit floating point
Sample rate: 96kHz
Analog converters: High-performance 32-bit
Propagation delay: 1.5ms, 1.75 – 7.75ms with FIR

Input impedance: >10k Ohms
Output impedance: 50 Ohms
Maximum level: +20dBu
Type: Electronically balanced

Frequency response: +/-0.1dB (20 to 30kHz)
Dynamic range: 115dB typ (unweighted)
CMMR: >60dB (50 to 10kHz)
Crosstalk: <-100dB
Distortion: 0.002% (1kHz @ +4dBu)

Gain: -40 to +15dB in 0.25dB steps
Polarity: +/-
Delay: Up to 650ms per I/O

System parameters
Number of programs: 30
Delay units: ms, ft, m
Frequency modes: 36 steps/Oct, 1Hz resolution
Security locks: Password
Channel names: 6 characters
Front panel display: Backlit LCD

Connectors
4 XLR inputs, 8 XLR outputs, USB Type-B, Ethernet standard CAT5, Power standard IEC socket
Power: 100-240 VAC (50/60Hz)
Dimensions: 19"x1.75"x9" (483x44x229mm)
Rack unit: 1U standard EIA
Weight: 10lbs/4.6kg

EQs: Variable equalizers: 8 per I/O
Type: Parametric, Hi-shelf, Lo-shelf, Phase (1st and 2nd order)
Gain: -30 to +15dB in 0.25dB steps
Bandwidth: 0.02 to 3.61 Oct (Q=0.31 to 72.13)
Graphic EQ: 1 per input, 31 band 1/3 Oct steps

IIR crossover: 2 individual filters per I/O
Type: Butterworth, Linkwitz-Riley, Bessel
Slope: 6 to 48dB per Oct

FIR crossover: 2 Individual filters per Output
Type: Multi-tap
Slope: 50 to 1200 Taps

Compressors: 1 compressor per input channel
Limiters: 1 limiter per output channel
Threshold: -20 to +20dBu
Attack: 0.3 to 100ms
Release: 2 to 32x the attack time
Ratio: 1:1 to 1:40 (compressor only)

Downloads

Why choose us?

Outstanding audio performance and control

Experience sound guided by passion and crafted for precision. Our products are masterfully designed and engineered by our team of respected engineers.

Work with a team that cares

As your trusted partner, we are committed to your success by providing innovative solutions tailored to your needs, priority support and ensure that every step of your journey is met with excellence and satisfaction.

Satisfaction guaranteed

Take some time and make sure the product is right for you. Try our 30-day risk-free trial.*