eBay Listing Design by OCDesignsOnlineacd
MOTU 828 28x32 USB3 audio interface for Mac, Windows and iOS
Aimed at serious musicians, creators, and podcasters, the completely redesigned MOTU 828 USB-C Audio/MIDI Interface connects to a Mac, Windows, or iOS device via lightning-fast 5 Gbps USB 3.1 with low-latency high-performance drivers to deliver 60 total channels of I/O and 24-channel mixing with onboard effects processing, including reverb, 4-band EQ and compression. The 828 features a refreshed front panel that offers an improved user interface and high-resolution metering.

Other Features
  • Word clock in/out/thru supports all sample rates up to 192 kHz.
  • Latching power button that prevents inadvertent switching.
  • Built-in rack ears for improved durability.
  • Sheet-steel case with increased depth and heft.

Box Contains

    MOTU 828 28x32 USB3 audio interface for Mac, Windows and iOS with mixing and effects
  • 1 x USB-C to USB-C Cable

Box Contains

    MOTU 828 28x32 USB3 audio interface for Mac, Windows and iOS with mixing and effects
  • 1 x USB-C to USB-C Cable

BrandMOTU
ModelMOTU 9390
MPNMO9390
TypeAudio/MIDI Interface
Channels of I/OAnalog: 10 Input / 14 Output ADAT: 16 Input / 16 Output at 44.1/48 kHz 8 Input / 8 Output at 88.2/96
Maximum Sampling Rate192 kHz / 24-Bit
Number of Microphone Inputs2
Analog Audio I/O2 x Combo XLR-1/4 3-Pin Balanced Mic/Line/Hi-Z Input 8 x 1/4 TRS Balanced Line Input 2 x 1/4 TRS
Digital Audio I/O2 x TOSLINK Optical ADAT Input 2 x TOSLINK Optical ADAT Output 1 x RCA Coaxial S/PDIF Input 1 x RCA
Host ConnectionUSB-C (Class-Compliant)
Built-In DSPYes
Built-In MicrophoneNo
Input Level Adjustment2 x Knob
Expansion SlotsNo
PadMic/Line/Hi-Z: -20 dB (Switchable per Channel)
Gain/Trim RangeCombo XLR-1/4 Mic/Line/Hi-Z Inputs: 74 dB (in 1 dB Steps) Digital Inputs: 20 dB
High-Pass FilterNo
Solo/MuteMute per Master
Phantom Power48 V, Selectable On/Off
Host Connection ProtocolUSB 3.1/3.2 Gen 2, Wi-Fi
USB (Non-Host)No
Sync I/O1 x BNC Word Clock Input 1 x BNC Word Clock Output/Thru
Network I/ONo
MIDI I/O1 x DIN 5-Pin Input 1 x DIN 5-Pin Output
Other I/O1 x 1/4 Footswitch
WirelessWi-Fi *Built-In
Maximum Input LevelMic Inputs: 0 dBu Line/Insert Inputs: +21 dBu
Maximum Output LevelLine/Insert/Monitor Outputs: +21 dBu Headphone Outputs: 14.4 dBu
ImpedanceMic/Line/Hi-Z Inputs: 1 Megohm Headphone Outputs: < 1 Ohm
Dynamic RangeMic Inputs: 118 dBA Line Inputs: 120 dBA Line Outputs: 125 dBA Headphone Outputs: 118 dBA Line Outpu
THD+NMic Inputs: -114 dB Line Inputs: -114 dB / 0.0002% Line Outputs: -114 dB / 0.0002% Headphone Outputs
EINMic Inputs: -129 dBu
Sample Rates44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Sample Rate ConversionNo
Bit Depths24-Bit
Latency2 ms at 96 kHz
Sync SourcesADAT, Internal, S/PDIF, Word Clock
Media/Memory Card SlotNo
OS CompatibilitymacOS 10.13 or Later Windows 10 or Later *As of January, 2024: Check with manufacturer for the most
Included SoftwareNo
Processor RequirementMac: Intel Core Apple
RAM Requirements4 GB
Mobile App CompatibleYes: iOS Only *As of January, 2024: Check with manufacturer for the most up-to-date compatibility
Power RequirementsAC Input
AC Input Power100 to 240 VAC, 50 / 60 Hz
Rackmount Size1 RU
Dimensions19 x 12.25 x 1.75 / 48.3 x 31.12 x 4.45 cm
Weight11.0 lb / 5.0 kg
Payment Policy

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Shipping Policy

Most purchases are shipped within 24-48 Business Hours

Items with "free shipping" are only shipped free to the 48 contiguous United States.

We supply tracking information directly to your eBay account as well as via email within 24 hours after the shipment leaves our warehouse.

Return Policy

Downtown Photo is proud to offer a 30 day return or exchange policy on most items for a full money back refund, excluding any shipping charges (for items which we offer free shipping, our standard shipping charges will be deducted from any refund or credit)

Returned or exchanged products must be in brand-new, mint condition. Items must be in the original, undamaged manufacturer's packaging with all packaging materials, including instruction booklets, packing inserts, and the blank warranty cards. Memory cards and any other Blister Pack items are not returnable once opened. Any merchandise missing the original Universal Product Code (UPC) cannot be returned. The manufacturer's labeled packaging must be enclosed within an additional shipping carton. Please do not place stickers or shipping labels on the original manufacturer's package.

Please be aware that we cannot accept returns on the following items unless they are shown to be defective in manufacture (as decided by the manufacturer):

  • Underwater equipment (once taken underwater
  • Inkjet printers (once ink cartridge/ribbon has been installed)
  • Processing equipment (once used with chemicals)
  • Educational DVDs, Tapes and Books once opened
  • Blister-packed items once opened
  • Original manufacturer software once opened

Please enclose a copy of your invoice with your return and tell us whether you would like the item to be replaced, exchanged, or refunded.

Returns can take up to 5 days in-house from the date we receive it to process. When returning an item, please make sure you use a shipper which provides you with Insurance and a tracking number. Items returned without a tracking number might take much longer to be processed.

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