01 · Source
22 documented inputs
¼-inch TS + ¼-inch TRS
- Arrives as
- 22 documented inputs
- Connector
- ¼-inch TS + ¼-inch TRS
- Signal
- analog audio
Focusrite ISA828 MkII
Price tracker
Awaiting retailer match~$3,500
Catalog estimate
Price history
No verified retailer history yet. The catalog estimate is a planning reference; retailer prices and availability may differ.
Price estimate~$3,500
Price tracker
Awaiting retailer match~$3,500
Catalog estimate
Price history
No verified retailer history yet. The catalog estimate is a planning reference; retailer prices and availability may differ.
- Documented outputs
- 1One destination connection
- Documented inputs
- 22Based on documented inputs
- Rack space
- 2UBuilder checks available rail space
- Power draw
- 35WDocumented typical draw
- Catalog estimate
- ~$3,499.99Use retailer rows for current price and stock
Focusrite ISA828 MkII Overview
The payoff
Mic Preamp decisions, organized around the whole rig.
Focusrite ISA828 MkII 8-channel Mic PreampThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds.. Plan its source-defined physical connections and placement in your rig.
- Documented outputs
- 1One destination connection
- Documented inputs
- 22Based on documented inputs
- Rack space
- 2UBuilder checks available rail space
Signal path for Focusrite ISA828 MkII
Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.
Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination
01 · Source · selectedEach block answers the same three questions: what arrives, what changes here, and what leaves.
Focusrite ISA828 MkII I/O ports
Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.
Every connector, grouped by job.
Switch panels to keep the hardware view and the documented port list in sync.
| Port | Panel | Connector | Direction | Signal | Channels |
|---|---|---|---|---|---|
| INSTRUMENT INPUT 1 · TS | front | ¼-inch TS | input | analog audio | — |
| INSTRUMENT INPUT 2 · TS | front | ¼-inch TS | input | analog audio | — |
| INSTRUMENT INPUT 3 · TS | front | ¼-inch TS | input | analog audio | — |
| INSTRUMENT INPUT 4 · TS | front | ¼-inch TS | input | analog audio | — |
| LINE INPUT 7 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 7 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 8 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 8 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 5 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 5 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 6 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 6 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 3 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 3 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 4 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 4 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 1 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 1 · XLR | rear | XLR female | input | analog audio | — |
| LINE INPUT 2 · TRS | rear | ¼-inch TRS | input | analog audio | — |
| MIC INPUT 2 · XLR | rear | XLR female | input | analog audio | — |
| ANALOGUE OUTPUTS1–8 · AES59 ANALOGUE DB25 | rear | db25 | output | analog audio | — |
| A-D EXTERNAL INPUTS1–8 · AES59 ANALOGUE DB25 | rear | db25 | input | analog audio | — |
| AC MAINS INPUT ·100–240VAC | rear | IEC C14 | input | power | — |
Showing 23 of 23 documented physical ports. Scroll to review the remaining rows.
Focusrite ISA828 MkII Alternatives
| Compare | ||||
|---|---|---|---|---|
| Fit | 📐 2U | 📐 1U | 📐 2U | 📐 1U |
| Power | ⚡ 35W | ⚡ 35W | ⚡ 25W | ⚡ 18W |
| Weight | ⚖️ 15.5 lb | ⚖️ 8.2 lb | ⚖️ 12.5 lb | ⚖️ 7.9 lb |
| I/O | 🔌 23 | 🔌 13 | 🔌 6 | 🔌 8 |
| Estimate | 💵 ~$3,499.99 | 💵 ~$999.99 | 💵 ~$3,900 | 💵 ~$3,495 |
| Deep dive | Current selection | Full comparison → | Full comparison → | Full comparison → |
Before you buy an Focusrite ISA828 MkII
Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.
How will the Focusrite ISA828 MkII affect rack fit and case depth?
It occupies 2U. Its documented depth is 325 mm.
How much power does the Focusrite ISA828 MkII draw?
Typical draw is 35W and documented maximum draw is 0W.
What connections does the Focusrite ISA828 MkII have?
23 documented physical ports, including INSTRUMENT INPUT 1 · TS, INSTRUMENT INPUT 2 · TS, INSTRUMENT INPUT 3 · TS, INSTRUMENT INPUT 4 · TS, LINE INPUT 7 · TRS, MIC INPUT 7 · XLR.
Complete the system
Audio Interface
Focusrite ISA C8X
Connect the analog signal path to a recording or playback computer.
Check: Check conversion channels, host connection, software support and line levels.
2U · 50 ports · ~$2,299.99Compressor
API 2500+
Control dynamics after the microphone preamp.
Check: Use compatible line-level connections and plan headroom.
1U · 7 ports · ~$3,295
Patch Bay
Behringer PX3000 Ultrapatch Pro
Bring frequently used connections to an accessible patch point.
Check: Match the signal format and connector; document normalled or pass-through routing.
1U · 2 ports · ~$49
Rack Case
Gator GR-6L 6U Rack Case
Protect and transport the rack-mounted part of the system.
Check: Allow for total rack units, installed depth, weight and rear cable clearance.
Outside rack · 0 ports · ~$169