Federal 40 bullet earphones


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Federal 40 are stylish, durable earphones. The brass construction ensures high durability and at the same time gives the earphones a unique, elegant look. Processing of the housing (cartridge shells .40 S&W) and embedding the speaker and cable is hand-made.

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Product temporarily unavailable. Planned resumption of sales: 26 December 2018

99,00 zł

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Wearing type: In-ear
Speaker drivers: Neodymium
Driver type: Dynamic
Driver diameter: 9 mm
Frequency response min. [Hz]: 20
Frequency response max. [Hz]: 20000
Sensitivity [dB/mW]: 105 +/- 2 dB
Impedance [Ω]: 16
Technology used: Noise isolation, Bass Boost - enhances low tones.
Plug: 3.5 mm Mini Jack, gold-plated.
Soldering: Tin and silver Cardas solder.
Cable: Tangle-free, 1.05 m long. Reinforced with Kevlar - a material with high durability and flexibility, used in bulletproof vests, which effectively prolongs its life-span.
Built-in microphone: Functions: answering calls, playing songs.
Control: press once - play / stop; press twice - next track.
Housing: Made from the shells of American high-power bullets caliber .40 Smith & Wesson. This ammunition is used in the USA by the state armed forces, such as the FBI (Federal Bureau of Investigation), DEA (Drug Enforcement Administration), DOJ (Department of Justice), CIA (Central Intelligence Agency) and police forces.
Color: Brass



  • Federal 40 earphones
  • Three sizes (S, M, L) of noise isolating inserts for a comfortable fit.
  • Stylish box.