Introducing the KSE1500 Electrostatic Earphone System. Experience a premium listening environment anywhere.
Whether you’re on an international flight or an undisturbed mountaintop, your ears will be enveloped by luxurious audio in a sleek system designed for the most discerning audiophile.
Featuring unprecedented Sound Isolating™ electrostatic earphones and a matched digital-to-analog amplifier, the KSE1500 means that high-fidelity portable audio is at last a reality.
Simply luxurious sound, wherever you are.
The world’s first electrostatic Sound Isolating earphones. Electrostatic technology provides the fastest, most accurate transient response available. Until now, it has never been applied to Sound Isolating earphones.
Each earphone features a virtually weightless, massless diaphragm surrounded by an electrostatic field generated by back plates that manage charge oscillation. The result is unmatched clarity and detail with an extremely high correlation to the source audio.
• 4-band Parametric EQ features five preset settings and four customizable settings for management of audio playback preferences • Preset settings include flat, low boost, vocal boost, loudness, de-ess • Each user-defined setting features four customizable EQ points (low shelf up to 630 Hz, two frequency-variable peaks, high shelf down to 800 Hz), allowing detailed personal control, shaping and tuning for different musical tone preferences Enhanced audio controls provide user-friendly digital and analog options to maximize audio playback fidelity • Digital audio input via USB • Bit depth: 16-bit / 24-bit • Sample rate: 44.1 / 48 / 88.2 / 96 kHz • Analog signal path via standard 1/8" (3.5 mm) “Line In” input/switch • Bypasses digital processing for pure analog audio (“Bypass” mode) • Analog input pad settings (10 dB or 20 dB) for managing high input levels • Input level meter for monitoring signal gain structure • Volume level meter • User-selectable limiter Streamlined navigation for quick and simple selecting of the KSE1500 settings • Tactile main control knob • Power / previous screen button • Hold switch will lock the KSE1500 to prevent any accidental setting changes • Color OLED screen for easy viewable, detailed navigation through settings Integrated USB rechargeable battery can conveniently charge from provided wall charger or computer, even when streaming USB audio from computer • Battery life ◦ Up to 7 hours with digital USB input (EQ mode) ◦ Up to 10 hours with analog input (Bypass EQ mode) • Charge time: approx. 3 hours 15 minutes for full charge from empty (using power adaptor) • Compatible with Mac, PC, iOS and Android devices via included accessory assortment, featuring Micro-B to Lightning and Micro-B OTG cables
Bias Voltage: 200 V DC Output Voltage: ±200 V, max. Output Current: ≤1 mA Noise Attenuation: ≤37 dB Operating Temperature Range: 0 to 45 °C (32 to 113 °F) Storage Temperature: -18 to 57 °C (0 to 135 °F)
Earphone Specifications Transducer Type: Electrostatic Connector Type: LEMO Connector Frequency Response: 10 Hz to 50 kHz Maximum SPL: 1 kHz at 3% THD 113 dB SPL Net Weight: 44.0 g (1.55 oz.)
Amplifier Specifications Bit Depth: 16-bit / 24-bit Sampling Rate: 44.1 / 48 / 88.2 / 96 kHz Signal-to-Noise Ratio: up to 107 dB A-weighted Adjustable Gain Range: -40 dB to +60 dB Limiter Selectable: Analog RMS Limiter Equalizer: 4-band Parametric USB Input: USB Micro-B Receptacle Line-In Input 3.5: mm (1/8") Charging Requirements: USB-powered: 5 V/0.5 A to 1 A Housing: Black Anodized Aluminum Net Weight: 182.0 g (6.42oz.) Dimensions: 111 × 59 × 21 mm H × W × D
Battery Specifications Battery Type: Rechargeable Li-Ion Nominal Voltage: 3.6 V DC Battery Life: Analog in (BYPASS EQ mode) up to 10 hours; USB Input Analog in (EQ mode) up to 7 hours
KSE1500 Electrostatic Earphone + DAC/Amp set Variety of cables Protective cases Adapters, Earphone sleeves for a customized listening experience Wall charger Polishing cloth Durable rubble bands