<h1>Focusrite ISA 428 MKII Four Channel Mic Pre</h1>
<i>ISA 428 MkII incorporates four of Focusrite's renowned mic pres in a simple-to-operate 2U enclosure, placing four mic preamps, instrument inputs and line ins at your fingertips.<br /></i><br />

The original Focusrite mic pre was designed to suit the microphones of the time; today's model makes one small change, adding three additional input impedances to the classic ISA 110 setting, allowing you to match any microphone, old or new, and access a wide range of sounds, from the character and warmth of a vintage mic to the clear transparency of a modern design.<br /><br />

Each mic pre has the option of mic, line or the front-panel instrument input, with variable input impedance to ensure you are getting the best performance from the source. Up to 60dB of gain is available on the four-position rotary and gain range switches, with a further +20dB of continuously variable trim, meaning a huge 80dB of gain is available should it be required. The high-pass filter features variable cut-off frequency between 16 and 420Hz. An array of 6-segment LED meters show peak signal level for the four mic pres, in addition to the four direct inputs to the optional A-D card. Switchable rear-panel insert points allow the use of inline processors such as compression.<br /><br />

<h3> Focusrite ISA 428 MKII  Key Features:</h3>
						<ul>
							<li>Classic ISA mic preamp design featuring Lundahl LL1538 input transformer</li>
							<li>Instrument and line inputs with dedicated input connectors and front-panel switch</li>
							<li>Switchable input impedance including classic ISA 110 setting</li>
							<li>Variable cut-off frequency high-pass filter</li>
							<li>Dedicated switchable insert point</li>
							<li>Per-channel six-segment LED peak-level meters</li>
							<li>Optional A-D card with up to 192kHz, 24-bit sampling via ADAT or AES3</li>
						</ul>
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