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  • 2B21












    1. Bass boost is range from 0dB-6dB-12dB.
    2. Compact sized dimensions, high operating efficiency.
    3. Multiple ways of protection(Thermal, short circuit).
    4. 2 Ohms minimum load for full range.
    5.  classic class AB PCB design.
    6. Range from monoblock to 2 channels.
    7. Using importer FETs for Hi-Fi feature. Class AB design for

        full range amps.
    8. Adjustable and selectable LPF / HPF.




    Model: 2B21
    Rated Power 14.4 Volts @ 4Ω: 2 x 60W
    Rated Power 14.4 Volts @ 2Ω: 2 x 90W
    Rated Power 14.4 Volts @ 4Ω Bridgeable: 1 x 180W
    Amplifier Type: Class AB
    Frequency Response: 20Hz - 25KHz
    THD @ 4ohm: ≤0.2%
    Signal to Noise Ratio(+A): ≥90dBA
    Input Sensitivity: 0.2V-6V  
    Working voltage: DC10-16V
    Dimensions: 210x223x48mm
    Weight: -Kg

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Company: Dongguan Tianyi Electronics Co., Ltd
Add: NO. 4 Xingsheng Road, Huangniupu Industrial Area, Huangjiang Town, Dongguan, China
Fred Yau
Sales Director
Mobile: +86-137 2443 4430
WhatsApp: +86-137 2443 4430
FaceBook: Fredcaraudio
E-mail: fred@tianyicaraudio.com
Sales Manager
Mobile: +86 156 2584 1134
Whats App: +86 15625841134
Face Book: +86 15625841134
E-mail: april@tianyicaraudio.com
Nickel Howell
Sales Manager
Mobile: +86 130 6610 4860
WhatsApp/ Skype: Nickel Howell +86 130 6610 4860
FaceBook: Nickel Howell
E-mail: nicole @tianyicaraudio.com