Bluebird Latest U7-I Portable Headphone Amplifier Class Mini-A for Earphone Earbud Headset HIFI EXQUIS U7 I

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New product

BlueBird

$81.70

$86.00

-5%

  • With OPA2604 OP-AMP
  • With MUSES02 OP-AMP

Black / Silver 2x OPA2604  option is with 2x OPA2604 OP AMP:
BlueBird_U7_portable_headphone_amplifier_3-OPA2604AP
 
Black / Silver 2x MUSE02  option is with 2x MUSE02 OP AMP:
BlueBird_U7_portable_headphone_amplifier_3-muse02
 
 
BlueBird_U7_portable_headphone_amplifier_1-2
 
 
Parameters:
  • Op-amp: 2xOPA2604AP or 2xMUSE02
  • Op amp supply voltage: + - 10V.
  • Play time: about 13 hours. (HIFI EXQUIS)
  • Charging: 5V 500MA to 3A.
  • Charging time: about 8 hours
  • Charge interface: Micro-USB( you can use your android smarphone charge cable)
  • Battery capacity: 4000MA.
  • Headset support: Earplugs 12 Ω to 650 Ω.
  •                    Headphones 16 Ω to 120 Ω.
  • Output power: 260MA (32 Ω) (HIFI EXQUIS)
  • Size: 11.5cm * 6.3cm * 1.2cm (HIFI EXQUIS)
  • Accessories: 1x 3.5mm jack cable,  2x bundle tape.
  • Weight: under 300g (HIFI EXQUIS)
Features:
  • Gain swith low and high
  • Bass boost  (hifi exquis)
  • Use double preamplification level by 2x duo op-amp
  • 4 level of batterie display(HIFI EXQUIS)
  • 4000MA high big batterie
  • 13hours play time
  • ALPS pot  (HIFI EXQUIS)
  • Relay pretoction circuit
  • Japannese switch components(HIFI EXQUIS)
 
BlueBird_U7_portable_headphone_amplifier_1-2-1BlueBird_U7_portable_headphone_amplifier_1-1BlueBird_U7_portable_headphone_amplifier_2-1BlueBird_U7_portable_headphone_amplifier_2-2BlueBird_U7_portable_headphone_amplifier_3-1BlueBird_U7_portable_headphone_amplifier_3-4BlueBird_U7_portable_headphone_amplifier_4-2BlueBird_U7_portable_headphone_amplifier_4-1