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Product List

  1. RAL [RATOC Audio Lab]
  2. Technical Brain
  3. RATOC Systems [PC Parts]

Audio Products

RAL Audio Products

Multi bit D/A Converter

  • 24bit/192kHz HD-Audio ready USB Multibit DAC. Accepts 24bit/192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz L-PCM format USB Audio stream.
  • Compatible with USB Audio Class 1. No need to install the dedicated driver both Windows PC and MacOSX 10.6. x.
  • Includes reputed Multibit DAC(PCM1704) and TPA6120A Headphone Amp.
  • Two Digital Audio input. USB(High-Speed) port and S/PDIF(COAX, 75 Ohm).
  • Three Stereo Analog Output. Balanced/XLR (L,R), Un-balanced(RCA L,R), HPJ(6.35 mm)
  • MSRP US $2,980.00-

USB Digital Audio Transport

  • 24bit/192kHz HD-Audio ready USB DAC with HPA. Accepts 24bit/192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz L-PCM format USB Audio Stream.
  • Compatible with USB Audio Class 2. The dedicated driver must be installed on Windows PC. No need to install the driver for MacOS X 10.6.5 or later.
  • Works with USB Bus Power or External DC+5V Power Adapter.
  • One Digital Audio input. USB (High-Speed) Type-B port.
  • One Digital Audio Output. S/PDIF (COAX, 75ohm, Isolated by transformer, 0.5Vp-p)
  • Two Stereo Analog Output. Un-balanced(RCA L,R), HPJ(6.35mm)
  • MSRP US $299.00-

PCM 24bit / 192kHz HD-Audio ready USB Headphone amplifier

  • 24bit/192kHz HD-Audio ready USB DAC with HPA. Accepts 24bit/192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz L-PCM format USB Audio Stream.
  • Compatible with USB Audio Class 2. No need to install the driver for Windows PC and MacOS X 10.6.5 or later.
  • Works with USB Bus Power or External DC+5V Power Adapter.
  • Two Digital Audio input. USB (High-Speed) Type-B port, Optical.
  • Two Stereo Analog Output. Un-balanced(RCA L,R), HPJ(6.35mm)

PCM 24bit / 96kHz HD-Audio ready USB Headphone amplifier

  • 24bit/96kHz HD-Audio ready USB DAC with HPA. Accepts 24bit/96kHz, 88.2kHz, 48kHz, 44.1kHz L-PCM format USB Audio Stream.
  • Compatible with USB Audio Class 2. No need to install the driver for Windows PC and MacOS X 10.6.5 or later.
  • Works with USB Bus Power or External DC+5V Power Adapter.
  • One Digital Audio input. USB (High-Speed) Type-B port.
  • Two Stereo Analog Output. Un-balanced(RCA L,R), HPJ(6.35mm)

Audio phile-grade DAC and balanced Headphone amplifier

  • Ready for High-Rsolution Music to DSD128, 32bit / 384kHz PCM.
  • Includes Audiophile-grade 32bit DAC, ESS SABRE32-2M ES9018K2M.
  • In USB DAC mode, KEB02iP works fully compatible with USB Audio Class 2 and supports Isochronous-Asynchronos transfer.
  • Compatible with both legacy 30P-iOS devices and Lightning-iOS devices.
  • Headphone amp output level selector and DAC analog filter curve selector.

Blanced Portable Headphone amplifier

  • The high-quality and high output with balanced BTL connection.
  • Includes TPA6111 Headphone Amplifiers for separate the left and right.
  • One Analog Audio Input. 3.5φaudio phone jack.
  • Two monaural Analog Audio Output. balanced(L,R) 2.5φaudio phone jack.
  • Works with three AAA batteries.

DSD and HD-PCM(24/192k) ready USB DAC

  • Ready for DSD64 and High Density 24bit / 192kHz PCM.
  • Compatible with your favorite Music Player. Don't need to change Music Player.
  • Just Plug & Play with Windows PC and Mac.
  • Excellent Digital circuit design and firmware.
  • High quality and high performance Analog circuit.
  • Powerful Power Circuit supports powerful sound.

DSD and HD-PCM(24/192k) ready USB DAC with Balanced Headphone amp

  • Ready for DSD64 and High Density 24bit / 192kHz PCM.
  • Compatible with your favorite Music Player. Don't need to change Music Player.
  • Just Plug & Play with Windows PC and Mac.
  • Excellent Digital circuit design and firmware.
  • High quality and high performance Analog circuit.
  • Powerful Power Circuit supports powerful sound.
Old products

Digital Data Converter for iPod / iPad / iPhone

  • iPod/iPad/iPhone Digital Audio Data Converter.
  • Pull out 16bit/48kHz Digital Audio Stream from iPad/iPod/iPhone and convert S/PDIF Digital Audio Stream.
  • One USB A (Host) port to hook up iPad/iPod/iPhone with Apple USB Dock cable.
  • Two S/PDIF Digital Audio Output port. Optical(Toslink), COAX(75 Ohm, Isolated by transformer, 0.5Vp-p).
  • MSRP US$299-
Technical Brain Amplifier >> Technical Brain Web site

Monaural Power Amplifier

  • Monaural Power Amplifier 350W(8ohm).
  • High Band width, DC to 100kHz.
  • Patented Emitter resister less circuit.

Stereo Pre Amplifier

  • Stereo Pre Amplifier.
  • Complete Full balanced Non-Feedback circuit.
  • Complete DC amplifier circuit.

Stereo Phono EQ Amplifier

  • Stereo Phono Equalizer Amplifier.
  • Full balanced complete DC circuit.
  • CR type equalizer, non-feedback circuit.
  • Emitter resister less output stage circuit.
  • Dc-servo circuit.
  • Brand new high-powered Power unit.
RATOC Systems
RATOC Systems Other Products

SxS Card Adapter for Desktop PC/Mac

Plug & Unplug your SxS card without restarting
  • The PE51U is a SxS memory card adapter that supports 'Hot-Swap' on Windows and Macintosh. The proprietary driver makes it possible to swap memory cards without restarting the system.

CardBus PC Card

UltraSCSI CardBus PC Card
  • Supports Ultra SCSI rate up to 20MB/sec.
  • 32bit DataBus and 33MHz operation .
  • Supports Bus-Mastering data transfer.
  • Ready for ACPI.
  • Low power consumption.
  • Supports scatter/gather and tagged queue .
  • Linux Ready. Available for high-speed data backup.
  • Supports Plug & Play, allows adding and removing SCSI devices without system re-start.

PDA Accessories (CF Card)

CFU2(for PDA)

CF60U
USB1.1 Host Adapter CF Card
  • Add USB 1.1 Host downstream port to your.
Serial I/O(RS-232C) CF Card (for WIN and PDA)
  • Add Hi-Speed COM port to your PDA, Palmtop PC.

Removable Case kit

USB2.0 Removable Case kit for 3.5" IDE HDD
  • Still need IDE.
    Replace your PC to new one, but new PC has no IDE interface.
    Can access to IDE hard drives on new PC ?
    U2-MDK1 provides access to the IDE hard drive via USB on new PC.

SPI/I2C Protocol Emulator

SPI/I2C Protocol Emulator

SPI/I2C Bus Analyzer

SPI/I2C Bus Analyzer

Serial communication

USB Serial converter (Micro USB B type)