HIFIMAN EF1000 Headphone Amplifier

🧾 Overview

🎧 The HIFIMAN EF1000 is a powerhouse hybrid tube amplifier featuring a vacuum‑tube SRPP input stage and separate high‑current outputs for headphones and speakers.

🔊 It delivers pure Class A headphone power (20 W into 35 Ω) and robust speaker drive (50 W Class A or 110 W Class A/B into 8 Ω), marrying tube warmth with solid‑state muscle.

🏆 Engineered for demanding audiophiles, the EF1000 ensures ultra‑low distortion, wide bandwidth, and reference‑grade performance in a sleek desktop format.

✅ Key Features

• ✅ Vacuum‑tube SRPP input stage for rich, detailed preamplification
• ✅ Headphone amplifier: 20 W per channel into 35 Ω (pure Class A)
• ✅ Speaker amplifier: 50 W per channel into 8 Ω (pure Class A) or 110 W per channel into 8 Ω (Class A/B)
• ✅ Independent amplifier paths prevent crosstalk between headphone and speaker outputs
• ✅ Relay‑based volume attenuator for smooth, precise level control
• ✅ Robust aluminum chassis with ventilation and hot‑surface warnings
• ✅ High‑quality binding posts for speaker outputs and balanced XLR & RCA inputs

📦 What’s in the Box

• 📦 EF1000 hybrid tube headphone & speaker amplifier
• 🔌 External DC power supply unit (12‑pin & 7‑pin cables)
• 📜 Quick‑start user guide & safety instructions
• 📜 Warranty card

🔄 Compatibility

✔ Optimized for electrostatic and dynamic headphones (35 Ω and up); drives 8 Ω speakers in pure Class A or high‑power Class A/B modes; accepts balanced XLR, RCA, CD, DAC, and AUX sources.

📦✈️ Shipping & Returns

• 📦 Insured worldwide delivery
• 🔄 14‑day return policy
• 🛡️ 3‑year HIFIMAN warranty (first-year free repair & shipping; years 2–3 free repair)

📝 Reviews

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