HA400

Description
ISK HA400 is a 4 channels headphone amplifier and each channel can work separately. It has a unique appearance, with 4 anti-slip mats, HA400 looks more charming. By utilising a circuit design of left and right track separately magnification, each headphone output can up to 1W and can easily used together with headphones whose impedance is up to 600 ohms. Thanks to the 10 pcs of 368BD back-end amplifier tubes, the sound is powerful and warm. HA400 also utilises the feedback suppressing circuit design to avoid "howling" when use with headphones which have low impedances, can be compatible with various impedance headphones. HA400 can be widely used in broadcasting & TV stations, studio recordings and at the same time is the ideal choice for personal recordings.

Features
1. Unique and charming appearance, each channel can work separately;
2. Left and right track separately magnify circuit design, high output power, big magnification;
3. Can be compatible with headphones of various impedances;
4. Feedback suppressing circuit design to avoid "howling";
5. Powerful sound, no distortion, easy to use;
6. Both left & right track linear input and INJECT input design, professional double inputs system;
7. Aluminum alloy housing, high strength steel panels, rugged and durable.

Specifications
Max. Input Level: +25dB
Inputs: Line L/R,1/4"TRS
Outputs: 4 channels 1/4"TRS
Input Impedance: 100KΩ
Output Impedance: 60Ω
Max. Level: 18dB/channel
S/N Ratio: >90dB
THD: <0.005%
IMD: <0.005%
Power Supply: AC 15V 800mA
Dimensions: 168mmX130mmX52mm
Net Weight: about 666g

Standard Packing
HA400: 1pc
AC 15V 800mA adapter: 1pc
User Manual/Warranty Card/Quality Certification: each 1pc
Pearl sponge + color paper box