Biquad HELLO 2

SKU: 115122



Upgrade Your Studio Setup with the Biquad HELLO 2 Telephone Interface

Discover the Biquad HELLO 2

Welcome to the world of superior studio telecommunications with the Biquad HELLO 2. This two-line hybrid telephone interface, designed to rack standards, is purpose-built for radio and TV studios.

Unmatched Performance and Convenience


The Biquad HELLO 2 sets itself apart with its circuit, identical to other ALO models, ensuring remarkable performance without the need for an external power supply.

Noise-Free, Crystal Clear Audio

Featuring RFI filters on telephone and audio inputs/outputs, this interface effectively blocks electromagnetic interference. It also provides protection against electrical discharges, ensuring your equipment’s longevity. Compatible with various telephone setups, it handles voltages between 20 and 50V with a minimum current of 20mA.

High-Quality Audio Handling

With balanced audio I/O and XLR connectors isolated by transformers, the Biquad HELLO 2 guarantees pristine audio quality and immunity to disruptive noise. Control audio gain effortlessly with the rear panel adjustment.

Advanced Hybrid Circuitry

The Biquad HELLO 2’s electronic and active hybrid circuit seamlessly converts 2 to 4 wires. Plus, it features an adjustable echo cancellation that provides exceptional isolation at 50dB @ 1KHz.

User-Friendly Interface

The front panel includes an ON/OFF key for easy call handling, a prominent call indicator LED, and volume controls for both listener’s return audio and the mixing console.

Versatile Studio Companion

The ALO 2 shines in transmission and recording studios, delivering top-notch audio on conventional telephone lines. Its high-standard brushed stainless steel panel adds a touch of elegance to your setup.

Elevate Your Studio Communications

Upgrade your studio communications with the Biquad HELLO 2 – where performance meets convenience and style. Your studio deserves nothing less.