Prism Sound Lyra 2 2x4 USB Audio Interface

SKU: PSLYRA2 MFR: LYRA-2
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Key Features

  • Capture pristine audio with the Prism Sound Lyra 2 USB audio interface, ideal for studio recording.
  • Experience ultra-low latency for seamless tracking and mixing with this high-quality audio interface.
  • Connect mics, instruments, & more with versatile inputs/outputs on this 2x4 USB audio interface.
  • Enjoy stable driver performance on Mac, Windows, & Linux for worry-free audio production sessions.
  • Pristine sound quality meets exceptional value in this competitively priced digital audio interface.
  • Elevate your podcasting or streaming with crystal-clear audio, thanks to Lyra 2's premium preamps.
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Special Order?Estimated to Ship: 08/16/2025
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Prism Sound Lyra 2 Specifications

Front Panel

Front Panel

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  • Instrument Inputs

    2x 6.3mm mono jack sockets, auto-select to analogue inputs 1 & 2 when plugged, software override

  • Headphone Output

    1x 6.3mm stereo TRS Jack with illuminated volume control

  • Master volume

    Assignable encoder / push switch with halo indication

  • Standby button

    With standby indicator (also flashes when unit is in 'identify' mode)

  • Indication

    Level Meters: 4x multi-segment, multi-color bargraphs with overload indication, 2 for analogue, 2 for digital, assignable to inputs or outputs, analogue outputs switchable 1/2 or 3/4.
    Input selection: Indicate mode of analogue inputs as Mic/line/inst & plus phantom power indicator for mic mode
    Overkiller: For analogue inputs, lit when Overkiller limiters are acting

  • Indication (Contd.)

    Digital Input: indicators for digital input unlocked and SRC (sample-rate converter) selected
    Digital Output: indicator for SRC (sample-rate converter) selected
    Sync: Master indicator, lit when interface is in local sync

Rear Panel

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  • Mic inputs

    2x XLR sockets

  • Line inputs

    2x 6.3mm TRS jack sockets (balanced or unbalanced)

  • Line outputs 1-4

    4x 6.3mm TRS jack sockets (balanced or unbalanced)

  • Digital inputs

    1x RCA 1x TOSLINK for S/PDIF or ADAT Optical input; (RCA can operate as AES3 input using XLR-RCA adapter supplied)

  • Digital output

    1x RCA 1x TOSLINK for S/PDIF or ADAT Optical output; (RCA can operate as AES3 output using XLR-RCA adapter supplied)

  • Wordclock

    2x BNC sockets, output and input (75 Ohm)

  • USB port

    1x USB type B receptacle

  • Mains power

    3-pin 6A IEC inlet

Software Support

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  • Mac OS Support

    OS X 10.5 or later Intel platform

  • Windows OS Support

    Windows Vista, 7, 8 or later (32 or 64 bit)

  • Mac audio driver

    Core Audio device

  • Windows audio driver

    ASIO device, WDM coming soon

  • Linux audio driver

    Lyra is a UAC2 class compliant device - no driver needed on recent distros

  • Control Panel applet

    Graphical user interface for control of Lyra unit under Mac OS X or Windows

Analogue Line Inputs

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  • Configuration

    Electronically balanced, with fully-balanced analogue signal path

  • Input Sensitivity

    Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)

  • Input Impedance

    14.5k Ohm

  • Unbalanced Mode

    Automatic

  • Total harmonic distortion

    -117dB (0.00014%, -0.1dBFS)

  • THD+N

    -111dB (0.00028%, -0.1dBFS)

  • Dynamic Range

    116dB (-60dBFS)

  • Gain Accuracy

    +/-0.05dB

  • LF roll-off

    -0.05dB at 8Hz; -3dB at <1Hz

  • HF roll-off

    fs = 44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz
    fs = 48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz
    fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.9kHz
    fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 78kHz

  • CMRR

    20Hz..20kHz: >70dB

  • Inter-channel cross-talk

    1kHz: <140dB; 20Hz..20kHz: <-120dB

  • Inter-channel phase

    10Hz..5kHz: +/-0.25 Degree
    5kHz..20kHz: +/-1.0 Degree
    20kHz..50kHz: +/-2.0 Degree

  • Overkiller

    Progessive limiter, auto-aligning, selectable per channel

  • Impact Filter

    High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels 1-2; whether in line, mic or instrument mode)

  • RIAA de-emphasis filter

    Response accuracy:
    +/-0.22dB at fs=44.1kHz
    +/-0.14dB at fs=48kHz
    +/-0.015dB at other sample rates

  • M-S matrix

    Allows direct connection of mid-side mics, or non-matrix mic-preamps

Microphone Preamplifiers

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  • Configuration

    Electronically balanced, with fully balanced analogue signal path

  • Gain

    10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu) plus switchable -20dB pad

  • Gain accuracy

    +/-0.05dB

  • Input impedance

    5.5k Ohm

  • THD

    +10dB gain: -116dB at -0.1dBFS (0.00016%)
    +40dB gain: -110dB at -0.1dBFS (0.00032%)

  • THD+N

    +10dB gain: -108dB at -0.1dBFS (0.00040%)

  • Equivalent input noise (EIN)

    +30dB gain: -128.5dBu (0 Ohm source); -126.3dBu (150 Ohm source)
    +40dB gain: -130.9dBu (0 Ohm source); -127.6dBu (150 Ohm source)
    +50dB gain: -131.2dBu (0 Ohm source); -127.7dBu (150 Ohm source)
    +60dB gain: -131.4dBu (0 Ohm source); -127.8dBu (150 Ohm source)

  • LF roll-off

    -0.05dB at 20Hz, -3dB at 5Hz

  • HF roll-off

    As per analogue line input data (dependent on fs)

  • CMRR

    50Hz/60Hz: >110dB at all gains
    1kHz: >100dB at all gains
    20kHz: >90dB at all gains

  • Phantom power

    +48V, switchable per channel

  • Pad

    -20dB, switchable per channel

Instrument Preamplifiers

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  • Configuration

    Unbalanced, high impedance buffer

  • Gain

    10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)

  • Gain accuracy

    +/-0.05dB

  • Input impedance

    1M Ohm

Analogue Outputs

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  • Configuration

    Electronically balanced, with fully-balanced analogue signal path

  • Output amplitude

    Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)

  • Output impedance

    100 Ohm balanced, 50 Ohm unbalanced

  • Unbalanced mode

    Automatic, with bootstrapping level compensation

  • Total harmonic distortion

    -107dB (0.00045%, -1dBFS)

  • THD+N

    -106dB (0.00050%, -0.1dBFS)

  • Dynamic range

    115dB (-60dBFS)

  • Gain accuracy

    +/-0.05dB

  • LF roll-off

    -0.05dB at 8Hz, -3dB at <1Hz

  • HF roll-off

    fs = 44.1kHz: -0.05dB at 21.4kHz; -3dB at 22.0kHz
    fs = 48kHz: -0.05dB at 23.2kHz; -3dB at 23.9kHz
    fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.8kHz
    fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 76kHz

  • Output balance

    >50dB

  • Inter-channel cross-talk

    1kHz: <-135dB; 20Hz..20kHz: <-120dB

  • Inter-channel phase

    10Hz..5kHz: +/-0.4 Degree
    5kHz..20kHz: +/-0.25 Degree
    20kHz..50kHz: +/-0.5 Degree

Digital Inputs

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  • Formats supported

    S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK), AES3 (XLR via supplied adapter cable)

  • Sample rates supported

    44.1, 48, 88.2, 96, 176.4 and 192kHz

  • Sample rates supported: ADAT

    ADAT (8-channel): 44k1, 48k
    ADAT SMUX (4-channel): 88k2, 96k

  • Channel Status

    Ignored

  • Word-length

    24 bit

  • AES3 Operation

    Via S/PDIF RCA, using XLR-RCA adapter (supplied)

  • Sample-rate converter (SRC)

    Selectable at S/PDIF input; allowing input at any sample rate

  • Bit transparency

    Maintained (allows recording of Dolby or DTS streams)

Digital Outputs

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  • Formats supported

    S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK), AES3 (RCA)

  • Sample rates: S/PDIF/AES3

    44.1, 48, 88.2, 96, 176.4 and 192kHz

  • Sample rates: ADAT

    ADAT (8-channel): 44k1, 48k; ADAT S/MUX (4 channel): 88k2, 96k

  • Channel Status

    Full implementation, Consumer (S/PDIF) or professional (AES3)

  • Word-length

    24 bit, or reduction to 16 bits using flat TPDF dither or Prism Sound SNS (Super Noise Shaping - four alternative shapes available)

  • AES3 (AES/EBU) operation

    via S/PDIF RCA, using RCA-XLR adapter (supplied) and AES3 mode (2V p-p, 110 Ohm and AES3 channel status)

  • Sample-rate converter (SRC)

    Selectable at S/PDIF output; output rate can be referenced to Wordclock, DI or local clock at 44.1, 48, 88.2, 96, 176.4 or 192kHz

  • Bit transparency

    Maintained in 24 bit mode (allows playback of Dolby or DTS streams to external decoder)

Sample-Rate Converter (SRC)

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  • THD+N

    <-137dB (0.000014%, -0.1dBFS)

  • Dynamic range

    >138dB (0.000013%, -60dBFS)

Synchronization

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  • System sample rates

    44.1 / 48 / 88.2 / 96 / 176.4 / 192kHz

  • Sync sources

    Master: local, Wordclock (Lyra 2 only), DI (S/PDIF input) or ADAT
    Local clock accuracy: +/-50ppm
    Jitter rejection: >60dB / decade above 100Hz

    Internal mixer delay (total analogue in to out)
    fs = 44.1kHz: 0.57ms
    fs = 48kHz: 0.52ms
    fs = 88.2kHz: 0.2ms
    fs = 96kHz: 0.18ms
    fs = 176.4kHz: 0.09ms
    fs = 192kHz: 0.08ms

Physical

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  • Form factor

    2/3 width, 1U 19" rack mountable
    (Rack ears available as an option)

  • Power

    90-250VAC, 50-60Hz
    Internal power supply
    IEC 6A connector

  • Power consumption

    15W

  • Fuse rating

    0.5A(T), 20mm, glass

  • Operation ambient conditions

    0 to 35 Degree C, 85% maximum relative humidity

  • Dimensions (W x D x H)

    Table Top: 11.2 x 9.5 x 2" (285 x 242 x 50mm) (inc. feet)
    Rack-mount: 19.01 x 9.5 x 1.8" (483 x 242 x 44.5mm) (Inc. optional ears)

  • Weight

    4.6 lbs (2.1kg)

  • UPC Code

    669014270894

About Prism Sound Lyra 2

Because the Lyra 2 2x4 USB Audio Interface is a top-tier, compact audio interface, it represents the zenith of audio technology. Manufactured by the reputable Prism Sound, this high-quality device integrates the brand's trusted, uncompromising AD/DA conversion into a compact, durable chassis. This makes it perfect for both studio use and on-the-go recording, catering to the needs of professional audio engineers and enthusiasts alike.

The Lyra 2 is built upon the Orpheus' audio path and clock circuitry, making it an ideal choice for those who prioritize quality over quantity. Its innovative design ensures the most transparent AD/DA conversion available, making it a versatile tool for any audio project.

The Lyra 2 is renowned for its AD/DA conversion, a feature that has been used on countless hit records. Its ultra-transparent characteristic ensures that the input you provide is precisely what you receive, maintaining the integrity of your audio.

Featuring two class-A microphone preamps, the Lyra 2 ensures pristine pre-amplification. This guarantees superbly clean, detailed recordings that capture performances as they were intended to be heard. The device also includes a switchable Prism Sound 'Overkiller' circuit in its analogue input channels. This soft-clip limiter gently absorbs transients, allowing signal levels to be pushed to their limits without risk.

The Lyra 2's hardware front panel provides continuous visual indication of the unit's main settings and levels. However, in-depth control is managed from the Lyra control panel on the host computer. This panel can be brought into view whenever adjustments are needed, providing a user-friendly interface for all your audio needs.

The Lyra 2 also features Verifile, a proprietary technology exclusive to Prism Sound. This innovative feature allows computer audio streams and recorded files to be quickly checked for a wide range of clicks, errors, and dropouts. This ensures the integrity of your audio, making the Lyra 2 a reliable choice for audio archiving, mastering, and mix engineers.

In conclusion, the Lyra 2 2x4 USB Audio Interface is a high-quality, professional, and versatile tool that offers unparalleled audio quality. Whether you're in the studio or on the road, the Lyra 2 is the perfect companion for all your audio needs.

Prism Sound Lyra 2 Features

  • 2 A/D Analogue Input Channels
  • 4 D/A Analogue Line Output Channels
  • S/PDIF / ADAT Digital In/Out
  • AES3 Mode on RCA/Phono
  • Word-clock Sync I/O

Product Documents

User Manual

Key Features

  • Capture pristine audio with the Prism Sound Lyra 2 USB audio interface, ideal for studio recording.
  • Experience ultra-low latency for seamless tracking and mixing with this high-quality audio interface.
  • Connect mics, instruments, & more with versatile inputs/outputs on this 2x4 USB audio interface.
  • Enjoy stable driver performance on Mac, Windows, & Linux for worry-free audio production sessions.
  • Pristine sound quality meets exceptional value in this competitively priced digital audio interface.
  • Elevate your podcasting or streaming with crystal-clear audio, thanks to Lyra 2's premium preamps.

What's in the box:

  • Prism Sound Lyra 2 2x4 USB Audio Interface
  • IEC Mains Lead
  • USB Lead Type A to B
  • XLR-F to RCA-M Adapter (S/PDIF/AES3)
  • XLR-M to RCA-M Adapter (S/PDIF/AES3)
  • CD with Software and Manuals
  • Prism Sound 3 Year Limited Warranty