FiiO K1 Portable USB DAC with Headphone Output [b-Stock]

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Product Code: 1533bs

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FiiO K1 Portable USB DAC with Headphone Output [b-Stock]
B-Stock product (read below), in excellent conditions, with original box and accessories, full warranty.
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Description

The thumb-sized K1 from FiiO is a portable headphone amplifier and DAC with mastering quality sound that supports resolutions of up to 24-bit/ 96 kHz.

The unit offers true plug-and-play operation with no batteries to charge and no drivers required for operation.

The K1's audio architecture utilizes Savitechs's SA9023A USB receiver to decode USB audio, while the high fidelity, low noise TI PCM5102 DAC chip outputs to the TPA 61332A headphone amplifier, which is capable of driving most headphones with a range of 16 to 100 ohms.

The K1 also self-mutes when powering on or off, reducing harmful transients. The all-metal chassis is sandblasted for optimal sheen, texture, durability of appearance, and hand grip.

The K1 ships with a removable clip and a USB connection cable.

Specifications:
Model: K1
Color (housing): Titanium
Audio Input: Micro USB
Headphone Output: Standard 1/8" / 3.5 mm port
Drive Ability: 16 to 100 ohms(recommended)
Power Supply: USB powered
Output Power:
Output Power1: >75 mW （16 ohms/THD+N＜1%)
Output Power2: >35 mW （32 ohms/THD+N＜1%)
THD: ＜0.01% (1 kHz)
Output Impedance: ≤ 1 ohm
Frequency Response: 20 Hz to 20 kHz
Signal-to-Noise Ratio (SNR): ≥100 dB (A-weighted)
Input Sensitivity: >0 dB
Crosstalk: ≥70 dB (1 kHz)
Channel Imbalance: < 0.3 dB
Gain: 1.2 dB
Power Status LEDs: yes (blue light when on)
Max Output: MAX Output Voltage: 3.25 Vp-p
MAX Output Current: 35.93 mA
Dimension (L x W x H) 50.0 x 20.5 x 8.0 mm
Weight: 11.3 g

A ´B-Stock´ is a product which has been returned by a customer within their 14/30 Day Money Back Guarantee.

These items are offered at a special, reduced price. Please note, that occasionally the packaging is no longer in pristine condition.

B-Stock products are in full working order and are checked by specialists before releasing them as B-Stock. They come with the full 2 year warranty as any other new product.

Any special comments about a B-Stock product will be noted at the beginning of the article description.

Designer

FiiO logo

About FiiO Electronics Technology Co., Ltd.

01 Brand Introduction - HiFi+Fashion

FiiO Electronics Technology Co., Ltd. was established in 2007. It is a high-tech enterprise that combines research, development, production and sales, and its sales are mainly based on its own FiiO brand as opposed to OEM/ODM. It focuses on digital audio, with current mainstay products being portable headphone amplifiers, DAC / amps and portable digital audio players.

FiiO: It is composed of Fi (Fidelity) from HiFi and iO (represents number 1 and 0) which indicates the sincerer feeling and more convenient life the digital tech has brought to us.

飞傲: The Chinese transliteration of FiiO, as well as representing youthful vigor and the active & innovative spirit of the company.

Audio products are meant to fulfill the spiritual pleasure of users.

FiiO provides products and service related to music.
We also hope to bring happiness to our users with the provided products and service, which is also the key value of FiiO.

Customer Service

Good after-sales service, more reliable
Great user experience, more pleasure
Variety of activities, more involved

About products

Affordable: FiiO products are well-known for its feature of high cost-performance. Lowering the entry level to make more customers can afford.
Easy to use: FiiO pays great attention to the user experience. We are not only provide products with high quality, but also easy to use and with long lasting durability.
More accessories bring more fun: Enable to play in a variety way and use under more possible environments.
Updates available: Equipped with a variety of ports, it makes the music players can still connect to external amp/DAC for upgraded enjoyment.
Endless transformability available: With replaceable amp module and expandable storage, the X7 can bring more playability.

02 Company Profile

Research & Development Team

Twenty years of R&D experience in audio products
Former core R&D team for audio products from OPPO
A team of 20 professional R&D engineers in software, hardware, industrial design, structure and electro-acoustic.

Research & Development Investment

FiiO keeps bringing in advanced equipments and high-tech talents so as to ensure the stable growth and long term competitive edge. Up till now, the team size has expanded three times than that of 2007 when we established.

Team Composition

The R&D team is made up of development dep, engineering dep and QC dep, with 60+engineers in total.

Authorized certifications

FC, CE, KC, CCC and ISO9001:2008 ensure the safety and quality of the products.

Production management

FiiO has strict requirements to production with almost “zero tolerance” even to small problems, which is strictly in compliance with the International Quality Management System ISO9001.

QC Equipment

a. AP audio analyzer (valued at 200,000RMB).
b. Life-span test platform against high & low temperature, swing and plug & unplug trial.
Aging test carriage towards mass production.
Aging test machine under high & low temperature.

Customer oriented

Driven by customers’ needs, we innovate constantly and response promptly to the market changes. We develop new products based on customers’ needs and compete for more market shares.

Company culture - Our Vision

Present the world a better “Made in China”.

Brand Spirit

Innovation

the earliest company that designed the minimum volume headphone amplifier. First dockable amp & DAC product. First amp specially designed for iPod/iPhone. First amp with adjustable power supply and power supplied by mobile phone battery. First multifunctional headphone amp & DAC for Android smarphone. First Hi-Res music player at a price lower than 1000RMB supporting 192K music. First Android-based Hi-res music player.

Quality

Repair Rate < 1%. Sound Quality Control system. Original components imported from TI, Wolfson, Maxim. Company-wide quality control. +20 quality engineers and inspectors. Complete testing facilities.

Service

CEO at the frontline of customer service. 100% response to enquiries. The most popular headphone amplifier brand on Head-Fi. First class website and contents in the audio industry. Interaction with and support to customers on Facebook and Microblog (twitter-like social website).

Brand Mission

FiiO designs, produces and sells high-quality products at favorable prices to those who love music and style.