Cayin Audio CS55A Integrated Tube Amplifier

  • Transform your music system! Extraordinary value and performance best describes the Cayin Audio CS55A Integrated tube amplifier. As the centre piece of any system, the unit is at home with both analogue or digital formats. The Canadian version includes a built in MM phono section to accommodate turntables and a built-in high resolution DAC for use with computers. Via the 2.0 USB input, the DAC is capable of covering digital audio signals up to 32bit | 384kHz. This combination of a high end DAC and tubes makes for a rich and detailed soundstage. The output stage can be switched between Triode and Ultra Linear mode and either KT88 or EL34 tubes can be used for the maximum amount of flexibility. A headphone jack on the front completes the unit and makes this one of the most versatile and compelling products on the market for 2016.
  • Frequency Range: 5Hz ~ 48kHz (-3dB)
    Output power (RMS) at 4 and 8 ohms: 40W + 40W Ultra Linear, 22W + 22W triode  Distortion: (THD): 1% (1 kHz)
    Signal to Noise Ratio: 92 dB Input
    Impedance: 100 kOhm Input
    Sensitivity: 280mV
    Tubes: 12AX7 / ECC83 × 2, 12AU7 / ECC82 × 2, KT88 / EL34 × 4
    Included: Remote control, Integrated Bias Meter
    Inputs: 3 x Line, or optionally 1 x Phono MM, 2 x Line
    PHONO: Input Sensitivity: 3mV Input impedance: 47kΩ Gain: 40dB
    Signal to Noise Ratio: 68dB
    USB DAC Specifications: Compatible with Audio Class 1.0 and Audio Class 2.0, Word Length: 16-32bits Sampling rate: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz
    Operating system: Windows XP, Windows Vista, Windows 7, Windows 8, Mac OS
    Circuit: Class A / B
    Housing Colour: anthracite metallic
    Bezel: Silver or Black
    Speaker Impedance: 4 Ohm, 8 Ohm
    Maximum power consumption: 270 watts
    Dimensions (W x D x H): 360mm × 334mm × 180mm
    Weight: 17 kg


  • Modern tube amplifiers are easy to operate and extremely reliable, providing years of enjoyment with little to no maintenance. Occasional bias adjustments are simple with the included bias metre and take seconds to complete. An absolutely amazing integrated tube amplifier with built in DAC, Phono, Remote and Headphone input. Read our blog to see our first impressions. Cayin is the largest tube amplifier manufacturer in the world and build many of the famous brands costing several times more than this original.