| Form Factor | 19" Rackmount |
| Signal Path | Digital Hardware (including Analog Connections) |
| Links | Allen & Heath Site |
| Notes | GR4 is a 1U rack-mounting or desktop audio mixer, providing simple yet comprehensive control of background music and paging in bars, restaurants, stores and other leisure / retail environments. Standout features include optional remote wallplates, a mic input on the front panel, plus a 3.5mm jack on the front for portable music sources. |