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The A1 from FiiO is a portable headphone amplifier with volume control, hi-fidelity output, and four EQ modes providing maximum flexibility. It can be used for smartphones, computers, tablets, iPods, and MP3 players to increase volume and deliver a more satisfying experience when listening to audio.
Featuring a sandblasted aluminum-alloy chassis, the portable amp uses a rechargeable lithium-ion polymer battery for power and weighs only 0.7 ounces. The four different EQ modes are switchable by briefly pressing the power button. A blue LED flashes to indicate each mode as it is selected.
Furthermore, there is a 3-color status LED to help you monitor the power condition of the unit, which flash differently for power on, charging, low battery, and full battery status. Finally, the tiny size of the A1 portable headphone amplifier makes this a great choice for adding that extra punch to your audio listening experience.
Durable Design The A1 utilizes a sandblasted aluminum-alloy chassis for a durable, modern appearance and comfortable handholding. A transparent removable back clip adapts the A1 to different usage scenarios Plug-and-Play With higher-fidelity output than smartphones, the A1 satisfies your need for more sound quality and quantity Electronic Volume Control The A1's volume buttons are made of Alps microswitches for sensitive and reliable operation Four EQ Modes The A1 provides Flat, Bass1, Bass2, and Bass3 EQ modes, switchable simply by briefly pressing the power button, allowing you to adapt the sound output to your earphones. The indicator light clearly indicates the present EQ mode Three-Color Status LED The A1 status LED lights flash differently in different colors in response to power-on, charging, low battery, full battery, etc., allowing you to check its working status at a glance Frequency Response The A1 has a frequency response of 20 Hz to 20 kHz
-Hardware Bass-Boost Settings
-Four EQ Modes for Maximum Flexibility
-Rechargeable Lithium-Ion Polymer Battery
-3-Color Status LEDs
-20 Hz to 20 kHz Frequency Response
FiiO A1 specs
Frequency Response 20 Hz to 20 kHz
Impedance 16 to 100 Ohms
Total Harmonic Distortion (THD) + N < 0.05% (1 kHz)
Output Power ' 78 mW (16 Ohms loaded)
Battery Capacity 160 mAh
Signal to Noise Ratio (SNR) ' 100 dB (A-weighted)
Charging Time ' 90 minutes
Play Time ' 13 hours (32 Ohms loaded)
Dimensions (L x W x H) 1.7 x 1.6 x 0.4" / 42 x 40.7 x 9.4 mm
Weight 0.7 oz / 20 g (including back clip)