Specification Brand : TOPPING BulletPoint1 : 【Ultra-High Performance NFCA Amplification】 Equipped with the same advanced NFCA modules as TOPPING A90, the L70 achieves incredibly low distortion, 0.3μV ultra-low noise, and 146dB dynamic range—ideal for revealing detail across all headphone types. BulletPoint2 : 【Versatile Output Compatibility】 Supports 4-pin XLR, 4.4mm balanced, 6.35mm and 3.5mm single-ended outputs. Fully balanced circuitry ensures powerful, clean output whether using balanced or single-ended headphones. BulletPoint3 : 【High Voltage & High Current Drive Capability】 With up to 52Vpp balanced output and 1.4A peak current, the L70 effortlessly powers high-impedance and low-sensitivity headphones while keeping ultra-low output impedance (<0.1Ω) for accurate response. BulletPoint4 : 【Dual Gain & Volume Memory Settings】 Switch between low and high gain modes for sensitive IEMs or power-hungry over-ears. Save volume/gain preferences for up to 8 output scenarios—ensuring safe and convenient switching. BulletPoint5 : 【R2R Relay-Based Volume Control】 Precision relay-controlled R2R volume ensures perfect channel balance, durability, and remote control functionality. No more imbalance at low volumes. BulletPoint6 : 【Headphone Amp + Preamp Function】 Use L70 as a headphone amplifier or a high-fidelity preamplifier. With 20Ω SE and 40Ω balanced output impedance, it pairs well with a wide range of power amps and active speakers. BulletPoint7 : 【Ground Loop Terminator & 12V Trigger】 Eliminate hum with the GND/LIFT switch, and sync power with other devices via the 12V Trigger in/out—perfect for clean, quiet, and coordinated system integration. Color : Silver ExternallyAssignedProductIdentifier : 6977577361893 IncludedComponents : Quick Start Guide ItemName : TOPPING L70 Full Balanced Headphone Amplifier – NFCA Technology, 146dB Dynamic Range,4-Pin XLR/4.4mm/6.35mm, Ultra-Low Noise, Preamp Function, 12V Trigger (Silver) ItemPackageDimensions_Height : 3.6 inches ItemPackageDimensions_Length : 13.2 inches ItemPackageDimensions_Width : 9.5 inches ItemTypeKeyword : headphone-amps Manufacturer : TOPPING Material : ABS NumberOfItems : 1 PartNumber : TP0L70 ProductDescription : The TOPPING L70 features NFCA modules with ultra-low 0.3μV noise and 146dB dynamic range, delivering exceptional detail and clarity. With 4-pin XLR, 4.4mm, and SE outputs, it supports all headphone types. High output power, dual gain, and relay-controlled R2R volume ensure precision and flexibility. Use it as a headphone amp or preamp. Ground loop terminator and 12V trigger offer clean, synchronized system performance. ProductSiteLaunchDate : 2025-04-22T19:58:10.432Z Size : 12.5cm SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52161547