Click to view our Accessibility Statement or contact us with accessibility-related questions
Fireye HDB Balanced Portable Amplifier

Fireye HDB Balanced Portable Amplifier

Where's the price?
To negotiate the best possible price for our customers, we agree to hide prices prior to logging in.
391 requests
58 Sold
Product Description
Featuring a clean design, built-in battery, and four-pin balanced output (a rarity at this price point), the Fireye HDB portable amplifier allows you to get better sound quality from your audio player. The dual amp circuit boasts an LME49724 and TPA6120 amplifier, and delivers plenty of power between its three gain settings: low for sensitive IEMs, medium for higher-impedance portables, and high for everything you normally keep on a desk Read More


  • Firestone Audio
  • Amplifier structure: Class-AB amplifier
  • Differential Opamp: TI - LME49724
  • Main Opamp: TI - TPA6120
  • Circuit protection: Output short / temperature protection
  • Gain boost: High, medium, and low
  • Play time: > 8 hrs continuous use
  • Charging time: 2.5 hrs via external adaptor
  • Headphone impedance: 16 – 600 ohm
  • Frequency response: 20 Hz ~ 20 kHz
  • Noise level: -112.0 dB
  • Dynamic range: 111.3 dB
  • THD: 0.0004%
  • Stereo crosstalk: -110 dB
  • Charge input: 2 mm DC jack (24V/0.5A)
  • Line input: 3.5 mm jack, 4-pin RSA (163-191J-E Kobiconn) jack
  • Line output: 3.5 mm jack, 4-pin RSA (163-191J-E Kobiconn) jack
  • Power supply: Built-in 4-serial lithium-polymer battery
  • Dimensions: 4.8 x 2.4 x 0.8 in (12 x 6 x 2 cm)
  • Weight: 6.8 oz (194 g)


  • DC 24V/0.5A adaptor
  • 22AWG OCC 3.5 mm to 4-pin stereo cable
  • 3 4-pin plugs
  • User manual


Estimated ship date is July 17, 2017 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final.

Related Products