H2 Audio

0011 Series requires a 0011 Rack for power. 0011 Series units will not fit in a 500 Series Chassis.The H2 Audio 0011 Mic Pre & 3-Band EQ delivers that unmistakable Helios punch — open highs, tight lows, and lightning-fast attack — backed by massive headroom and creamy transformer warmth. Built like the originals, with refinements for today’s modern studio workflow. Step into the control room from the golden era of rock & roll. The H2 Audio 0011 captures the exact tone and feel of the legendary Helios production modules that shaped countless ‘70s classic hits. Every note comes alive with transient snap, rich harmonic depth, and a musical EQ that shapes without smearing.

A stereo pair of legendary 0011 mic pre/EQs housed in a heavy-duty 19" steel chassis — delivering punch, warmth, and headroom in a ready-to-record format. The H2 Audio 0011/Stereo takes everything that makes the original Helios 0011 legendary and doubles it. Packed into a rugged 19” rackmount chassis, this unit houses two complete 0011 mic pre/EQ channels — giving you the perfect tool for stereo tracking, dual mono setups, or mix bus shaping.

This 11 series rack will not fit 500, 200, 80 series units. Only works with 11 series/0011 series units. Unpopulated Rack. Does not include any modules.The H2 Audio 008 8-Channel Rack brings Helios modular power to your modern studio — crafted for engineers who demand the same sonic integrity, build quality, and flexibility that defined the golden age of recording consoles. Designed to house up to eight 0011 Series modules, the 008 is the heart of your Helios-inspired ecosystem — delivering clean, stable power and rugged construction that stands up to decades of professional use.

The H2 Audio 2128 faithfully recreates the legendary 0011 mic preamp circuit that defined the sound of countless ‘70s rock records — now in a compact, modern format. With its punchy character, open top end, and fast transient response, the 2128 delivers the same musical warmth and headroom that made Helios the choice of Led Zeppelin, The Rolling Stones, and countless other icons.

Whether you're sculpting drums, guitars, or entire mixes, the 5011 brings a timeless analog groove to your workflow. Bring the rich musical character of Helios consoles into your 500 series lunchbox or rack. The H2 Audio 5011 faithfully mirrors the EQ section from the legendary 0011 module, delivering the same soulful, punchy tone that defined British rock in the '60s and '70s—but in a nimble 500-series form. With its warm midrange, smooth shelving, and authentic analog feel, the 5011 adds vintage presence and clarity without compromising modern studio efficiency. Designed for tracking or mixing, it’s EQ with heritage turned compact.

0011 Series requires a 0011 Rack for power. 0011 Series units will not fit in a 500 Series Chassis.Classic FET Compression is the secret behind Led Zeppelin’s “When the Levee Breaks” drum roar. This faithful reissue of the original ADR / Helios FET compressor/limiter packs five ratios, selectable attack/release, fixed threshold and limiter section—all routed through British mojo circuitry. Tightens drums, vocals, or guitars with bold analog punch and vintage rock dynamics.

Mic pre, 3-band EQ, and classic FET compression — the complete Helios signal path that defined ‘70s rock, now in a rugged 19” rackmount channel strip. The H2 Audio Helios Channel delivers the full sonic DNA of the legendary Helios consoles in one powerful rack unit. Combining the 0011 mic preamp, inductor-based 3-band EQ, and the classic Helios FET compressor/limiter, this channel strip recreates the punch, warmth, and musical shaping that defined the golden age of British rock.