Focusrite ISA 828 8-Channel Microphone Pre-Amplifier

Focusrite ISA 828 8-Channel Microphone Pre-Amplifier

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ISA 828 Microphone Pre Amp

Focusrite’s new ISA828 eight channel microphone pre-amplifier, providing eight original ISA transformer-based pre amps in a single robust 2U chassis, offering the Focusrite signature sound at its lowest cost per channel to date.

The eight ISA-series transformer-based microphone pre amps, with switchable impedance and direct instrument inputs, are complemented by eight line inputs, eight line outputs and an optional eight channel 192kHz ADC. Thanks to its convenient 25 pin D-Type connectors, the ISA828 integrates quickly and seamlessly with ProTools HD, as well as other popular hard disc recorders and mixing desks.

The microphone input stage includes a variable impedance circuit, allowing the user to switch between four carefully selected input impedance settings. The original ISA 110 setting is supplemented by three further impedance settings to either perfectly match the pre amp with any microphone, thus maximizing level, or to use different settings creatively to shape the sound of the microphone being used.

The four front panel instrument inputs also feature high and low impedance options to provide a comprehensive and accessible DI solution. Insert points are also featured on every channel, should the need arise to place extra processing between the pre amp and converter, Vintage design high pass filters are also provided on every channel, ideal for eliminating unwanted low frequencies without affecting the rest of the audio signal.

Focusrite’s optional eight-channel 192kHz ADC embodies cutting-edge conversion technology, encompassed within Focusrite analogue circuitry, providing eight channels of A/D conversion that boast performance figures beyond any other converter, bar none.


  • 8 x ISA Transformer Based Preamps
  • 25 Pin D-type Connectors (for connection to ProTools HD)
  • Switchable Impedance
  • 4 x Direct Instrument Inputs
  • Inserts Available On All Channels
  • High Pass Filter, Phase Reverse and Phantom Power
  • 6 x LED Input Meter



Warranty2 years
new amp
Great place to shop or look around.Staff very willing to help.Excellent service
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new amp
Great place to shop or look around.Staff very willing to help.Excellent service
Read Reviews

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