Quloos

Quloos QH1 fully balanced desktop headphone amplifier separated power supply

$1,487.26 USD

~~$1,499.00 USD~~ $1,487.26 USD

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Color QH1 QH1 LPS LPS

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Specification

QLS QH1 Fully Balanced Preamp & Portable Desktop Headphone Amplifier

Overview

The QLS QH1 is a state-of-the-art fully balanced headphone amplifier designed for both desktop and portable use. With a focus on delivering pristine audio quality, this amplifier is equipped with top-tier components and flexible features to satisfy the most discerning audiophiles.

Key Features

Fully Balanced Architecture: The QH1 converts single-ended inputs into balanced outputs, ensuring superior noise reduction, an improved signal-to-noise ratio, and an expanded dynamic range.
Powerful Output: Featuring 14 pairs of FZT power transistors, this amplifier can effortlessly drive both high and low impedance headphones with remarkable clarity and precision.
Switchable Class A/AB Modes: Choose between the warmth and smoothness of Class A or the dynamic liveliness of Class AB amplification to match your listening preferences.
Premium Audio Note Capacitors: Equipped with high-end Audio Note KAISEI capacitors and WIMA MKP10 film capacitors for a refined, rich, and full-bodied sound.
MUSES72323 Volume Control: Dual MUSES72323 chips provide precise volume adjustments with minimal distortion and crosstalk.
Separate Power Supply Unit: Includes a dedicated 80W linear power supply, delivering clean and stable power to the amplifier. The built-in battery offers 8-16 hours of continuous playback for portable use.
Comprehensive Connectivity: The QH1 supports RCA, XLR, 3.5mm single-ended, and 4.4mm balanced inputs, making it highly versatile and compatible with a wide range of audio devices.
Three Power Supply Options: Can be powered via the included linear power supply, 12V DC input, or the internal battery, providing flexibility for various usage scenarios.
Robust CNC Aluminum Chassis: Offers excellent shielding from electromagnetic interference and physical vibration, ensuring the integrity of the audio signal.
Comprehensive Protection Circuitry: Integrated protection circuits guard against over-temperature, overload, and DC issues, ensuring the safety of your headphones.

Included Accessories

Dedicated linear power supply unit with 80W toroidal transformer
High-quality XLR signal cables
Custom silver-plated hybrid power cables
Remote control for convenient operation
User manual and warranty card

Technical Specifications

Output Power: Balanced 9000mW + 9000mW @16Ω, 8000mW + 8000mW @32Ω (with external power supply), 6000mW + 6000mW @32Ω (battery power)
THD+N: 0.00011% (AES17, 20kHz, A-weighted)
Signal-to-Noise Ratio: 126dB (A-weighted, medium gain, battery power)
Dynamic Range: 127dB (A-weighted, medium gain, battery power)
Channel Crosstalk: -130dB @1kHz (A-weighted, no load, medium gain, battery power)
Gain Levels: Low, Medium, High (up to 12x voltage amplification)
Headphone Impedance Support: 8Ω - 600Ω
Power Consumption: <35W
Dimensions: 200mm x 180mm x 45mm (main unit), 200mm x 180mm x 49mm (external power supply)
Weight: 1.9kg (main unit), 3.0kg (external power supply)
Battery Life: 8-16 hours (depending on usage and settings)
Charging Time: 4-5 hours (fast charging via Type-C), 8-10 hours (standard charging via DC 12V ≥2A)

What's in the Box?

Shipping & Returns

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Shipping Fees

Worldwide Free Shipping on Hificat, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

In the event that a shipment is refused delivery by the recipient, is undeliverable, or is returned to sender, Hificat will process a refund to the original payment method used.

If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.

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Which Couriers To Use?

We collaborate with these courier companies:
Standard Shipping: Yanwen Express
Express Shipping(over $500 can be free): DHL Express, FedEx and SF Express

Hificat has extensive global logistics experience to ensure quality logistics services to consumers.

HiFiCat offers consumers different shipping, depending on the country, a choice of different shipping methods.

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Estimated Delivery Time

1. France, Germany, UK, Italy, Spain, USA.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 6-10 days to arrive.

Tracking Example

France: https://t.17track.net/en#nums=YT2132021222003141

Germany: https://t.17track.net/en#nums=YT2133621222016083

United Kingdom: https://www.17track.net/?nums=GV779664269GB

Italy:https://t.17track.net/en#nums=YT2133021222011717

Spain:https://t.17track.net/en#nums=YT2129521222003430

United States:https://t.17track.net/en#nums=SUA211205BIUQ1000007

2.EU Country：Filand, Poland, Estonia, Norway, Switzerland, Greece, Sweden, Israel, Czech Republic, Slovenia, Slovakia, Denmark, Netherlands, Latvia, Croatia, Austria, Hungary, Belgium, Bulgaria, Romania, Ireland, Malta, Iceland, Serbia and so on.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 10-15 days to arrive.

Filand: https://www.17track.net/?nums=UG324191515YP

Poland: https://www.17track.net/?nums=UG335827360YP

Estonia: https://www.17track.net/?nums=UG363043181YP

Norway: https://www.17track.net/?nums=VR457380806YP

Switzerland: https://www.17track.net/?nums=UG359525911YP

Greece: https://www.17track.net/?nums=UG250851788YP

Sweden: https://www.17track.net/?nums=UG353458343YP

Israel: https://www.17track.net/?nums=UG356134837YP

Czech Republic: https://www.17track.net/?nums=UG320437102YP

Slovenia: https://www.17track.net/?nums=UG349882511YP

Slovakia: https://www.17track.net/?nums=UG349946557YP

Denmark: https://www.17track.net/?nums=UG272480001YP