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Audioengine : HD4 Wireless (Pair)

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$18,900.00 THB
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$18,900.00 THB
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Audioengine HD4 Wireless Speaker Bluetooth | Desktop Monitor Speakers | Home Music System aptX HD Bluetooth, 120W Powered
 
ลำโพงบลูทูธตั้งโต๊ะที่ให้รายละเอียดเสียงดีเยี่ยม มาพร้อมเสาสัญญาณบลูทูธที่ทำให้สามารถ รับ-ส่งสัญญาณได้เสถียรมากยิ่งขึ้น ไม่มีสะดุดไม่มีดีเลย์ รับส่งสัญญาณได้ในระยะสูงสุด 30 เมตร
 
MADE FOR YOUR MUSIC INSPIRED BY THE WAY YOU LISTEN
Rounding out Audioengine’s legacy HD-series, HD4 wireless speakers offer versatile, high-fidelity audio ideal for smaller spaces. A premium-powered, two-speaker setup that offers excellent music reproduction and surrounds you with a sense of presence that most compact systems often miss.
 
Bringing home the high-performance technology inside our HD6 along with the convenience of our modestly-sized HD3, the HD4 is a perfect blend of the power you love to feel and the modern functionality you depend on. Thoughtfully wrapped in precision-tuned, hand-built wood-veneer cabinets.
 
 
PLAY YOUR MUSIC, YOUR WAY CONNECT TO YOUR MUSIC NO MATTER WHERE IT LIVES
An all-access pass to ALL of your music on any app or device, the HD4 offers wired or wireless connections including USB input from your computer, Bluetooth aptX-HD from your phone, or good old analog from that vintage turntable or prized tape deck.
 
Featuring Bluetooth aptX-HD for premium, extended-range wireless that allows for quick and easy connection to stream your existing music services, tune into your favorite podcast or listen to those carefully curated playlists from your personal music library.
 
Your music, your way. Anywhere you want to listen. It’s that simple.
 
 
BOLD DESIGN THAT FITS IN VERSATILE, SIZE-DEFYING SOUND
Designed to take on space limitations, the HD4 is the perfect upgrade where surfaces are minimal but performance and convenience can’t be compromised. As handsome as they are compact, the HD4 will easily fit in any small living space and blend in with any decor.
 
Purpose-built for versatility, the HD4’s modest design does little to prepare listeners for such expansive soundstage and crystal-clear imaging. The difference between listening to your music and hearing ALL of it...with more room for dancing.
 
 
WHY YOU’LL LOVE THEM FEATURES & BENEFITS
Quick and easy setup
No network setup, no passwords, no hassle
Versatile playback in any room, from any app or device
High-fidelity stereo sound for desktops and small spaces
Modern, compact design that fits in and fills up any room
Low-latency Bluetooth aptX-HD, extended-range wireless streaming
Analog input for easy turntable connection
Aramid fiber woofers and silk dome tweeters
Built-in power amps wrapped in precision tuned, hand-built and finished wood-veneer cabinets
 
 
AUDIOENGINE SIGNATURE SOUND QUALITY AND SMILES GUARANTEED
In 2005, Audioengine was founded on a simple goal: Design purpose-built home music systems that sound great, are easy to use, and make people want to listen to music every day.
 
Each new product gives listeners well-thought updates and improvements inspired by all the ways people listen to their music. The HD4 is no exception. Constructed with similar custom components found in the award-winning HD6 and HD3, the HD4 boasts everything you’d expect from an Audioengine product reimagined for the space-conscious music lover.
 
Audioengine - Accessible, adaptable and absolutely incredible home audio for anyone who believes in the power of music.
Features :
  • Built-in analog power amplifiers
  • High-fidelity Bluetooth aptX HD + extended wireless range
  • High-performance headphone ampligier
  • USB computer audio input
  • Dual analog audio input
  • Variable preamp/subwoofer audio output
  • Custom aramid fiber woofers and silk tweeters
  • Hand-built cabinets with detachable magnetic grills

 

GENERAL SPECIFICATIONS
  • Type : Powered Bluetooth aptX HD speaker system
  • Amplifier Type : Class AB
  • Power Output : 120 W peak power total (30 W RMS / 60 W peak per channel), AES
  • Drivers : 4″ aramid fiber woofers / 0.75″ silk dome tweeters
  • Inputs : 3.5 mm stereo mini-jack, USB, RCA L/R, Bluetooth
  • Outputs : RCA variable line-out, 3.5 mm mini-jack headphone out
  • Input Voltages : 110-240 V 50/60 Hz auto-switching
  • SNR : >95 dB (typical A-weighted)
  • THD+N : <0.05% at all power settings
  • Crosstalk : <50 dB
  • Frequency Response : 60 Hz-22 kHz ±1.5 dB
  • Input Impedence : 5K ohms unbalanced
  • Protection : Output current limiting, thermal over-temperature, power on/off transient protection
  • Power Consumption : Idle: 10W
BLUETOOTH SPECIFICATIONS
  • Input Bit Depth : 24 bit (padded)
  • Bluetooth Receiver Type : Bluetooth 5.0
  • Supported Codecs : aptX HD, aptX, AAC, SBC
  • Wireless Operation Range : Up to 100 ft (30 m) typical
  • Input Data Rate : Determined by Bluetooth
  • Wireless Latency : ~30 milliseconds (ms)
USB SPECIFICATIONS 
  • Connector Type : Micro-USB
  • USB Device Class : USB 1.1 or above
  • Input Bit Depth : 24 bit (padded)
  • Input Sample Rate : 44.1 kHz/48 kHz
HEADPHONE AMP SPECIFICATIONS 
  • Headphone Amp Type : OPA2134
  • Full-scale Headphone Output Level : 2.0 V RMS
  • Output Impedence : 2 ohms
  • Recommended Headphone Impedence Level : 10 ohms to 10K ohms
WEIGHTS AND MEASURES 
  • Dimensions (HWD) : Each speaker – 9″(23 cm) x 5.5″ (14 cm) x 6.5″ (16.5 cm)
  • Weight : Left (active) – 7.2 lb (3.3 kg) / Right (passive) – 5.4 lb (2.4 kg)
  • Total Shipping Weight : 10 lb (4.6 kg)
  • Shipping Box Dimensions (LWH) : 20″ (51 cm) x 13″ (33 cm) x 15.5″ (39 cm)
ENVIRONMENTAL REQUIREMENTS 
  • Operating temperature: 32 degrees F to 95 degrees F
  • Non-operating temperature: -4 degrees F to 113 degrees F
  • Relative humidity: 5% to 95% non-condensing
MATERIALS AND CONSTRUCTION 
  • 0.7″ (18 mm) thick MDF cabinets with real wood veneer
  • 0.75″ (20 mm) silk dome tweeters with neodymium magnets
  • 4″ (101 mm) aramid fiber woofers with advanced voice coils
CABINETS 
 
To minimize unwanted resonances and distortion, Audioengine cabinets have thick high-resin MDF walls with extensive internal bracing. Heavy internal sound-damping material is used to reduce unwanted sound reflections inside the cabinet. All cabinet edges are rounded which look great and reduce high-frequency diffraction effects on the front baffles. The P4 cabinet contains tuned, front-port slots.
 
FURNITURE GRADE FINISHES 
 
The HD4 cabinets are available in several handsome finishes, including walnut veneers as well as satin black paint, offering options for complementing room furnishings. Also included are detachable grills that add further aesthetic advantages as they are firmly held in place with hidden neodymium magnets for a clean look.
 
CUSTOM COMPONENTS 
 
Audioengine designs and manufactures our own tweeters, woofers, and other critical components. In other words, these are not “box built” speakers with off-the-shelf parts but custom-designed to our specifications. What we do not fabricate directly in our factory we have made to our designs (parts such as transformers, magnets, and wiring harnesses, for example). The cabinets, drivers, bass port designs, amplifiers, and crossovers are all painstakingly tuned together for each Audioengine model. This, in turn, makes for a much more efficient system that requires much less power than passive speakers and a separate integrated amplifier or similar A/V components.
 
BASED ON STUDIO MONITOR DESIGNS 
 
Studio monitor speakers are used by producers and engineers in recording and production studios. They are designed with a theoretical flat frequency response which allows the engineer to create a final mix in such a way that the recorded music will sound good on most other speakers. Although Audioengine speakers are not designed to be up-close “nearfield” studio monitors, we do carry over much of the same higher-end technology, components, and design philosophy for all Audioengine speaker systems.
 
EFFICIENT INTEGRATED DESIGN 
 
The speaker cabinets, drivers, innovative bass port designs, amplifiers, and passive crossovers are all critically tuned together for each Audioengine model. This, in turn, makes for a much more efficient system that requires less power than passive speakers and a separate integrated amplifier or similar A/V components. We build all this goodness into the left speaker cabinet to make it super-easy to connect your smartphone, tablet, computer, TV, network player or any other audio product.
 
HIGH-QUALITY BLUETOOTH AUDIO
 
The Bluetooth built into the HD4 powered speakers features aptX HD coding which is an advanced Bluetooth audio codec with very impressive sound. And even if your phone or tablet does not have aptX HD, the HD4 Bluetooth solution is backwards-compatible with SBC and AAC codecs, as well as standard aptX, so you can wirelessly stream music from any Bluetooth-enabled device and still enjoy all your music. High-fidelity Bluetooth aptX HD that really works and sounds great. Here is why:
Extended-range wireless.
Most Bluetooth implementations have very limited range, typically within just one room. But with careful signal management circuitry and antenna tuning, we offer a superior solution that has up to 3 times the range of standard Bluetooth for multi-room use, with no degradation in audio quality.
24 bit DAC
The HD4 Bluetooth receiver and USB input both utilize the PCM 5102 DAC, widely known for its low-noise and high-fidelity. The PCM 5102 is used as an upsampling DAC and will pad all bit depths to 24 bit, achieving a higher signal-to-noise ratio and lower noise floor. Due to the high signal-to-noise specs of the PCM 5102, the fact that digital signal is upsampled to 24 bit as well as the added benefit of onboard triple redundancy power source conversion and filtering the HD4 Bluetooth implementation presents impressive low noise and low distortion characteristics with a noticeable improvement over other Bluetooth devices.
 
HD3 HEADPHONE AMPLIFIER 
 
The HD4 contains a high-performance headphone amplifier based on the OPA2134 low-noise opamp. This amp is able to provide low-impedance, high-fidelity audio and a 2-volt output which easily drives a wide range of headphones.
 
AMPLIFIER DESIGN 
 
The amplifiers in powered Audioengine speakers are located in the left speaker and are a conservatively-rated class A/B analog monoblock design. This is a more traditional speaker/amplifier configuration which provides excellent quality audio and greater flexibility. All circuit boards for the power and preamp sections are vertically mounted for maximum mechanical shock protection.
 
DRIVER DESIGNS 
 
Audioengine uses audiophile-quality, ferrofluid-cooled silk dome tweeters with neodymium magnets. Silk tweeters hold up well under high power and the edge-driven design gives very smooth response. The woofers are aramid fiber woven glass composite with rubber surrounds. Aramid fiber is obviously very strong, which means the woofer retains its shape when being driven at high levels.
 
SHIELDING 
 
Both drivers are directly video shielded and allow the user to place the speakers within a few inches of a video monitor. This shielding also offers protection for hard-drive digital music players.

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