FOSI AUDIO N2 Headphone Amplifier User Guide
- June 6, 2024
- Fosi Audio
Table of Contents
FOSI AUDIO N2 Headphone Amplifier
Product Overview
Product Specifications
The N2 headphone amplifier features a switch for adjusting gain as well as another switch to fine-tune bass levels. The switch for high and low gain ensures that you can use the N2 with a wide variety of headphones, and that your listening volume needs are covered. The Bass switch gives them some extra punch to meet the needs of bass lovers. The all-aluminum silver body has been carefully designed and CNC processed to make it compact and classic.
- Audio input: 3.5mm headphone port
- Headphone output: 3.5mm headphone port
- Charging port: Type-C
- Power supply: DC 5V 1A
- Dpamp: 0PA1642
- Volume adjustment mode: High precision volume knob
- Internal voltage: ±9.5V
- Current amp: 1W triode to tube
- Battery capacity: 2200mAH
- Battery Lile: about 12h
- Low-frequency gain (BASS=DN): +6dB
- SNR: >100dB
- Headphone output impedance: 16ohm-600ohm
- Dimensions: 4.17 x 2.64 x 0.55 inches(106 x 67 x 14mm)
- Headphone output power: 16ohm/330mW 32ohm/320mW 64ohm/298mW 300ohm/100mW
- Product weight: 126g
Package Contents
- Fosi Audio N2 x1
- User manual x1
- Type-C power cable x1
- 3.5mm to 3.5mm cable x1
Quick Setup
How to use?
Step 1: Connect your mobile phone, PC, or other audio source device to N2
(3.5mm audio input).
Step 2: Turn the Power Switch knob slightly to the right to turn on the
power
Note: The blue power indicator indicates sufficient power. Low battery warning: The blue indicator light will turn red.
Step 3: Connect your headset or headphone to N2 by 3.5mm headphone jack, adjust the volume control, then enjoy it!
Q&A/ Troubleshooting
-
Can it be used while charging?
– It is not recommended to use while charging, because current disturbance occurred when charging may lead to noise. -
How long can the N2 play?
– N2 equipped with 2200 mAH battery supports 12-hour playtime.