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Motu M4 USB audio interface with two Aston Origin microphones in a recording bundle

Motu

Motu M4 4x4 USB Audio Interface Bundle + Aston Origin Stereo Pair

SKU CH-CGSC-S46YR

A USB audio interface with two mic preamps, four line outputs and a built-in LCD meter bridge, bundled with a matched pair of Aston Origin condenser microphones for stereo recording

  • 120 dB dynamic range on main outputs
  • 129 dBu EIN for ultra-clean mic capture
  • 5 ms round-trip latency at 96 kHz
  • Full-colour LCD with detailed I/O metering
  • Virtual loopback channels for easy streaming

Recording Kit for Home Studio

The bundle pairs a Motu M4 4x4 USB audio interface with a matched pair of Aston Origin microphones. It is built for musicians, podcasters and producers who need a complete recording chain for vocals, instruments and streaming. The interface runs on bus power and works with Mac, Windows and iOS devices without an external supply.

Thermals Noise and Power Draw

Bus-powered operation means the interface draws all its current from the host USB port, so no separate power brick or wall outlet is required. The unit has no moving parts and runs silently in normal use. Low-latency monitoring at 2.5 ms round-trip latency (96 kHz, 32-sample buffer) keeps the signal path responsive without adding audible noise.

120 dB Dynamic Range on Main Outputs

ESS Sabre32 Ultra DAC technology delivers a measured 120 dB dynamic range on the main outputs and -129 dBu EIN on the mic preamps. Conversion runs at 24-bit / 192 kHz AD/DA. The full-colour LCD provides detailed level metering for every input and output, and 48 V phantom power is available for condenser microphones.

Highlights

  • 120 dB dynamic range on main outputs
  • 129 dBu EIN for ultra-clean mic capture
  • 5 ms round-trip latency at 96 kHz
  • Full-colour LCD with detailed I/O metering
  • Virtual loopback channels for easy streaming

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the M4 and what step do people often miss?

Connect the M4 via USB to a Mac, Windows or iOS device; it is bus-powered so no external supply is needed, then install the MOTU driver to enable the 2.5 ms round-trip latency at 96 kHz with a 32 sample buffer.

What maintenance or replacement will the Aston Origin stereo pair need later?

The Aston Origin microphones have no user-serviceable parts; keep the capsules clean and dry, and replace only if physical damage occurs or output degrades noticeably over time.

What limit appears first during sustained recording sessions?

The M4's USB bus power and driver buffer set the practical limit; at 96 kHz with a 32 sample buffer you get 2.5 ms round-trip latency, and higher buffer sizes increase latency while lower sizes risk dropouts.

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