Matrix Audio NA-1 Silver Headphone Amplifier

🧾 OverviewMatrix Audio NA-1 is a pure Class A balanced headphone amplifier and preamplifier for demanding desktop and full-size headphone systems. It delivers fully discrete amplification, dual gain modes, powerful balanced output and preamp outputs for active speakers or power amplifiers.✅ Key Features ✅ Fully discrete pure Class A balanced circuit ✅ Four independent amplification units for balanced operation ✅ 6.35mm single-ended, 4.4mm balanced and 4-pin XLR balanced headphone outputs ✅ One XLR and two RCA analog inputs ✅ XLR and RCA pre-out for active speakers or power amplifiers ✅ Dual gain modes for both headphone and preamp outputs ✅ 80W potted toroidal transformer and up to 39000µF capacitor array 📊 Technical Specifications ▼ Parameter Value Device type Headphone amplifier / preamplifier Analog inputs 1 × XLR balanced, 2 × RCA single-ended Headphone outputs 6.35mm single-ended, 4.4mm balanced, 4-pin XLR balanced Pre-outs XLR balanced, RCA single-ended Input impedance XLR 47kΩ; RCA 47kΩ Pre-out frequency response 20Hz–20kHz (+0, -0.1dB), 140kHz @ -3dB Pre-out SNR 121dB @ +15dB A-weighted; 124dB @ +21dB A-weighted Pre-out THD+N <0.0003% @ 20Hz–20kHz Headphone frequency response 20Hz–20kHz (+0, -0.1dB), 170kHz @ -3dB Headphone SNR 120dB @ +17dB A-weighted; 123dB @ +23dB A-weighted Headphone THD+N <0.0007% @ 20Hz–20kHz Single-ended output power 7W @ 33Ω; 1.1W @ 300Ω; 580mW @ 600Ω, 1% THD Balanced output power 18W @ 33Ω; 4.5W @ 300Ω; 2.3W @ 600Ω, 1% THD Output impedance Pre-out <20Ω; headphone <1Ω Trigger Input DC 6–12V <10mA; output DC 12V/50mA max Power AC 100–120V or AC 220–240V; standby <1W; idle 35W; max <80W Dimensions 330 × 275 × 97 mm Weight 6.16 kg Bluetooth / Wi-Fi N/A 📦 What’s in the Box 🎛️ Remote control ×1 🔌 Power cable ×1 📖 User manual ×1 🛡️ Warranty card ×1 🔄 CompatibilityUse NA-1 with DACs, streamers, CD players, active speakers, power amplifiers and demanding headphones from low to high impedance. It is especially suitable for Matrix Audio N Series systems with NT-1 and ND-1.📦✈️ Shipping & Returns 📦 Insured worldwide delivery 🔄 14-day return policy 🛡️ 2-year EU warranty 📝 Reviews💬 “Be the first to leave a review – share your experience and help others!”⚠️ WarningWarning: with 18W balanced output, the volume knob is not a decoration; treat it like a power tool for headphones.