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KingRex HQ-1 Headphone Amplifier

KingRex HQ-1 Headphone Amplifier

Headphone amplifier + linear power supply unit
Class A MOSFET
183 x 145 x 55mm

HK$6,800.00
HK$4,800.00
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Description
*** Products are sold online and in-store simultaneously. *** 
*** The stock quantity may not be updated in the online system in time. Our team will contact you for confirmation. ***
*** Goods in stock will be handled and sent within 1-3 working days. ***


You invest in the best headphone your heart desires and your budget allows. You need to maximize the return. It’s time to unleash the full potential of your headphone. Welcome to the Headquarters: the KingRex HQ-01, our inaugural headphone amp will help you realize your ambition in many ways.

HQ-1 is in Class A MOSFET design is general-purpose desktop headphone amplifier. Featuring a 2-box design, one is housing the power supply and the other enclosing the amplification circuitry.

The output circuits are Toshiba A970/C2240 for first stage amplification and output stage by Hitachi MOSFET 2SK214.Power supply is a linear regulated type which has a total of 25,100uF of filtering capacitors. This ensures smooth DC power as well as clean source for the sensitive amplification circuits.

What are the results from famous components and working so hard in tuning?

You could enjoy transparency, spontaneity, palpability, delicacy and full frequency which HQ-1 brings.

Specification
HQ-1 Headphone amplifier
Gain: 18.5dB
Input Offset Current: 15K ohms
Output Offset Current: 8ohms
Power output: 100mW @ 300ohm
170mW @ 150ohm
570mW @ 30 ohm
Frequency response: 20Hz(-0.7dB)~80KHz(+0.1dB)
Dynamic range: 110dB
Noise Ratio: 115dB
Total distortion + Noise Signal: 0.005% at 2Vrms Output
Channel Separation >92dB at 1Khz
>76dB at 10Khz
Audio terminal: Neutrik Headphone jack (6.35mm) with gold plated contacts
RCA connectors with gold plate contacts
Power consumption: Less than 10W

HQ-1 PSU (linear power supply unit)
Transformer: 45W toroidal type
DC output: 18V/2.5A
Dimension: 185x138x45mm
Aluminum panel: Red / Black
Shipping & Payment

Delivery Options

  • Self pick up at showroom - Unit 1010-1012, Block B, Seaview Estate, 4-6 Watson Road, Fortress Hill, HK
  • Special arrangement of delivery method (Please contact our staff)
  • Ship with other orders
  • S.F. Express - EF Locker Pickup (Freight Collect)
  • S.F. Express - Circle K Store Pickup
  • S.F. - Business Station
  • S.F. Express - 7-11 Store Pickup
  • S.F. Express - Office / Home Delivery （Delivered within 3-7 working days）

Payment Options

  • FPS
  • Octopus
  • In-store Payment
  • Bank Transfer
  • Alipay (HK)
  • WeChat Pay
  • Credit Card
  • Apple Pay
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