MOTU 16A 32 x 34 Thunderbolt 4 / USB4 Audio Interface
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| Location | Long Island City US |
| Shipping | Free shipping (check listing for details) |
| Seller |
downtownphoto
99.3% positive · 41565 feedback
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| Listing | FixedPrice · Active |
| Start time | 2025-05-15T17:51:50.000Z |
| Brand | MOTU |
| MPN | MA9321 |
| Model | MOTU 9321 |
| Type | Audio Interface |
| Channels of I/O | 32 Inputs / 34 Outputs |
| Maximum Sampling Rate | 192 kHz / 32-Bit |
| Number of Microphone Inputs | No Mic Inputs |
| Analog Audio I/O | 16x 1/4 TRS Balanced/Unbalanced Line Input 16x 1/4 TRS Balanced L |
| Host Connection | 2x USB-C (Class-Compliant) |
| Built-In DSP | Yes |
| Built-In Microphone | No |
| Input Level Adjustment | via Software |
| Gain/Trim Range | 1/4 Line Inputs: 0 dB to +20 dB 1/4 Line Outputs: 0 dB to -99 dB |
| Phantom Power | No |
| Digital Audio I/O | 1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX Support) 1x TOSLINK |
| Host Connection Protocol | Thunderbolt 4, USB 2.0, USB 3.0 / 3.1/3.2 Gen 1, USB4 |
| USB (Non-Host) | No |
| Sync I/O | 1x BNC Word Clock Input 1x BNC Word Clock Output |
| Network I/O | 2x RJ45 AVB (Gigabit) |
| MIDI I/O | No |
| Expansion Slots | No |
| Wireless | No |
| Frequency Response | 1/4 Line Inputs: 20 Hz to 20 kHz ±0.05 dB 1/4 Line Outputs: 20 Hz |
| Maximum Input Level | 1/4 Line Inputs: +21 dBu |
| Maximum Output Level | 1/4 Line Outputs: +21 dBu 1/4 Headphone Outputs: 13.3 dBu |
| Impedance | 1/4 Line Inputs: 20 Kilohms 1/4 Line Inputs: 220 Ohms 1/4 Headpho |
| Dynamic Range | 1/4 Line Inputs: 120 dB 1/4 Headphone Outputs: 118 dB 1/4 Line Ou |
| THD+N | 1/4 Line Inputs: -114 dB 1/4 Line Outputs: -114 dB 1/4 Headphone |
| Sample Rates | 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz |
| Bit Depths | 32-Bit |
| Latency | 1.8 ms at 96 kHz |
| Sync Sources | ADAT, AVB, Internal, S/PDIF, Word Clock |
| Clocking | Word Clock: Input Termination: 75 Ohms Input Voltage: 1 to 3 V p- |
| Media/Memory Card Slot | No |
| OS Compatibility | Computer: macOS / Windows Mobile: iOS Only |
| Power Requirements | AC Input |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| UPC | 839128006287 |
eBay Listing Design by OCDesignsOnline Home View all listings About Us Feedback Faq Contact Us MOTU 16A 32 x 34 Thunderbolt 4 / USB4 Audio Interface Description Item Includes Specifications Description Designed as the central hub of a high-performance recording or live-sound environment, the MOTU 16A is a 32-in / 34-out audio interface featuring Thunderbolt 4 and USB4 connectivity, onboard DSP mixing and effects, AVB networking, and advanced A/D/A conversion supporting up to 32-bit / 192 kHz resolution. The unit integrates a 64-channel DSP-driven monitor mixer with 32-bit floating-point internal processing, enabling low-latency routing and effects independent of host CPU load. A full digital patch bay provides flexible signal routing between physical I/O, the internal mixer, computer channels, and the AVB network. The 16A supports 66 simultaneous audio channels locally and enables up to 256 channels of low-latency streaming over Thunderbolt to a host system. It also offers a full range of digital connectivity options including ADAT/SPDIF and Wordclock I/Os. The unit operates in multiple modes: as a standalone digital mixer, as an audio interface for macOS, Windows, or iOS devices, as an AVB network node, or any combination thereof. Comprehensive control of the mixer and system settings is provided via the CueMix Pro application. To jumpstart your workflow, Performer Lite production software is included, along with a comprehensive library of loops and sounds from industry leaders like Big Fish Audio, Lucidsamples, and Loopmasters. Superb Analog-Audio Quality The 16A features ESS Sabre32 DAC technology for pristine sound with 125 dB dynamic range and ultralow distortion—backed by decades of MOTU audio expertise. 66 Simultaneous Audio Channels Includes 16 balanced/unbalanced TRS analog I/O, dual 8-channel ADAT optical ports, and a dedicated stereo headphone out—totaling 32 inputs and 34 outputs. Use the 16A as expanded analog I/O, a flexible patchbay/mixer, or both. Universal Connectivity Connect via Thunderbolt 4 or USB4 with the included 40 Gbps USB-C cable. Enjoy plug-and-play compatibility with Mac, Windows, and iOS. Supports Thunderbolt 3, USB3, and USB2—delivering up to 256 channels of I/O (128-in / 128-out) at 96 kHz. Ultralow Latency Performance Optimized drivers deliver round-trip latency as low as 1.8 ms at 96 kHz with a 32-sample buffer over Thunderbolt and USB, using high-performance DAWs like Digital Performer. Plug-and-Play with Massive Bandwidth Daisy-chain up to six Thunderbolt devices with 40 Gbps bandwidth—handling hundreds of audio channels, 8K video, and terabytes of data with ease. Thunderbolt 4–compatible cable included. 64-Channel Mixer with 32-Bit Floating Point Precision The internal mixer mirrors a large-format console with 64 inputs from any source: analog, digital, host software, network streams, or mixer buses. Includes 26 aux buses, main, reverb, monitor, and solo buses—all with 4-band EQ and compression. Inputs also feature HPF and gating. Intuitive Patchbay Routing and Splitting Easily route any source to any destination via virtual patch cables. Split any source to multiple outputs, whether from interface I/O, host software, or AVB network devices. Wireless Control with CueMix Pro CueMix Pro gives complete control over mixing, routing, and settings wirelessly from macOS, Windows, or iOS. Multiple devices can control the 16A simultaneously via Wi-Fi. Balanced Analog I/O TRS connections are fully balanced and engineered to reject RF interference, AC hum, and environmental noise. DC-Coupled Outputs for CV Control All analog outputs are DC-coupled, allowing CV sequencing of modular synths directly from your DAW. Optical I/O and Expansion Two ADAT banks support 16 channels at 48 kHz, 8 S/MUX channels at 96 kHz, or optional stereo TOSLINK up to 96 kHz. Use the 16A as an optical expander or interface. Custom Meter Views Tailor your workflow with customizable meter views for analog I/O, digital I/O, or combined configurations. Performer Lite Performer Lite provides everything you need to record, edit, mix, process, and master your own music tracks quickly and easily. Plug in your mic, guitar, and MIDI keyboard, and start tracking with over 100 virtual instruments, dozens of effect plug-ins, guitar FX processing, and much more. 100+ Instruments, 6GB of Free Loops and Sample Packs Performer Lite includes over 100 virtual instruments, including acoustic and electric pianos, guitars, basses, drums, organs synths, orchestral instruments, choirs, world instruments, and much more. Performer Lite includes 6GB of free loops and sample packs from Big Fish Audio, Lucidsamples, and Loopmasters, to help you start making music right away. Box Contains MOTU 16A 32 x 34 Thunderbolt 4 / USB4 Audio Interface 1 x 40 Gbps/240W USB-C Cable 1 x IEC Power Cord Item Includes Box Contains MOTU 16A 32 x 34 Thunderbolt 4 / USB4 Audio Interface 1 x 40 Gbps/240W USB-C Cable 1 x IEC Power Cord Specifications BrandMOTUModelMOTU 9321MPNMA9321TypeAudio InterfaceChannels of I/O32 Inputs / 34 OutputsMaximum Sampling Rate192 kHz / 32-BitNumber of Microphone InputsNo Mic InputsAnalog Audio I/O16x 1/4 TRS Balanced/Unbalanced Line Input 16x 1/4 TRS Balanced Line Output 1x 1/4 TRS HeadphoneHost Connection2x USB-C (Class-Compliant)Built-In DSPYesBuilt-In MicrophoneNoInput Level Adjustmentvia SoftwareGain/Trim Range1/4 Line Inputs: 0 dB to +20 dB 1/4 Line Outputs: 0 dB to -99 dBPhantom PowerNoDigital Audio I/O1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX Support) 1x TOSLINK Optical ADAT Input (S/MUX Support)Host Connection ProtocolThunderbolt 4, USB 2.0, USB 3.0 / 3.1/3.2 Gen 1, USB4USB (Non-Host)NoSync I/O1x BNC Word Clock Input 1x BNC Word Clock OutputNetwork I/O2x RJ45 AVB (Gigabit)MIDI I/ONoExpansion SlotsNoWirelessNoFrequency Response1/4 Line Inputs: 20 Hz to 20 kHz ±0.05 dB 1/4 Line Outputs: 20 Hz to 20 Hz +0.01/-0.15 dB 1/4 HeaMaximum Input Level1/4 Line Inputs: +21 dBuMaximum Output Level1/4 Line Outputs: +21 dBu 1/4 Headphone Outputs: 13.3 dBuImpedance1/4 Line Inputs: 20 Kilohms 1/4 Line Inputs: 220 Ohms 1/4 Headphone Inputs: < 1 OhmDynamic Range1/4 Line Inputs: 120 dB 1/4 Headphone Outputs: 118 dB 1/4 Line Outputs: 125 dBTHD+N1/4 Line Inputs: -114 dB 1/4 Line Outputs: -114 dB 1/4 Headphone Outputs: -110 dBSample Rates44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHzBit Depths32-BitLatency1.8 ms at 96 kHzSync SourcesADAT, AVB, Internal, S/PDIF, Word ClockClockingWord Clock: Input Termination: 75 Ohms Input Voltage: 1 to 3 V p-p Output Voltage: 5 V p-p Lock RangMedia/Memory Card SlotNoOS CompatibilityComputer: macOS / Windows Mobile: iOS OnlyPower RequirementsAC InputAC Input Power100 to 240 VAC, 50 / 60 Hz Payment Policy eBay Checkout is our only method of payment 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. 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. 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