| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $22.93 | $22.46 | $21.76 | $20.83 | Contact US |
EQ-7 Headphone Amp 7 Band Equalizer Amplifier Headphone Amplifier + USB DC Cable for PC Cellphone
Features:
- The adjustment range of 7-band equalizer is ± 12db. It is composed an original TL074 circuit for of TI or ST.
- There are seven frequency bands, including 60HZ, 150HZ, 400HZ, 1KHZ, 3KHZ, 6.5KHZ and 15KHZ. Its knobs are in the middle for the origin. Turn the knobs counterclockwise for attenuation, and clockwise to increase.
- Preamplification gain: 4580 classic op amp provides 5x amplification (14dB).
- The headphone amp adopts two NE5532 47-type headphone driver circuit, which can drive 16-600ohm headphones.
- Input impedance is 20K and output impedance is 600 ohms.
- 3.5mm input and output interfaces support a 3-pole/4-pole plug, and phone calls are enabled via a headset. It is suitable for game lovers and music enthusiasts. There is one group of RCA ports can be used.
- Power supply requirements: DC5V-12V with a 5.5*2.1 connector. When the device is powered by 5V, the quiescent current is about 390mA; when it is powered by 12V, the quiescent current is about 140mA and the power consumption is about 1.8W.
Specifications:
- Size: about 11.4 x 8.5 x 3.2cm/4.5 x 3.3 x 1.3" (LxWxH)
- Weight of main unit: about 250g/0.6lb
Package Included:
- 1 x Equalizer
- 1 x USB DC cable
Note:
- 3.5mm phone audio cable is not included in the package.
- A power bank or a quality charger can be used to supply power to the device, because an impure power supply may cause AC noise.
