Audioengine : HD4 Wireless (Pair)
- 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
- 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
- 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)
- 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 Type : OPA2134
- Full-scale Headphone Output Level : 2.0 V RMS
- Output Impedence : 2 ohms
- Recommended Headphone Impedence Level : 10 ohms to 10K ohms
- 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)
- 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
- 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
Interest Free Up to 10 Months*
Why wait to get the tech you want? Shop GROOV on Shopee and Lazada and take advantage of their exclusive interest-free instalment plans — spread your payments over up to 10 months at zero cost to you. Simply select your instalment option at checkout on either platform and take home your favourite products today. Flexible, easy, and completely interest free.
Please note: Instalment terms and interest-free offers are provided by Shopee and Lazada and may change at any time without notice. We recommend checking directly with Shopee or Lazada for the latest terms before completing your purchase.
Shipping Information
Domestic Orders:
- Domestic orders are shipped using Kerry Express Thailand or SCG Express.
- A tracking number will be provided once the parcel is sent out.
- Orders are dispatched within 1-3 business days from our Bangkok Warehouse.
- Delivery times range from 1-3 business days, depending on your order time.
- Please note that a recipient's signature is required for delivery.
- We ship after receiving payment. It may take a few hours for tracking numbers to activate on the shipper's site.
Standard Shipping:
- Standard shipping is free for all domestic orders.
Next Day Delivery :
- Fee: 85 THB
- Delivery window: 3 pm to 7 pm (Mon-Sat)
Conditions:
- Arrives on the next business day.
- Available in the Bangkok area.
- Applicable only for in-stock items.
- Deliveries on Sundays and public holidays will occur on the following business days.
Express Delivery by Lalamove (Bangkok Area):
- Order over 15,000 THB: Free
- Order under 15,000 THB: 350 THB
- Order on our website, provide shipping details, make payment, and our team will confirm the delivery time.
Conditions:
- Available from 9 am to 4 pm, Mon-Fri (excluding public holidays).
- Applicable only for in-stock items.
Fast Delivery by Lalamove (Greater Bangkok):
- Fee: 450 THB
- Order on our website, provide shipping details, make payment, and our team will confirm the delivery time.
Conditions:
- Available from 9 am to 3 pm, Mon-Fri (excluding public holidays).
- Applicable only for in-stock items.
International Orders:
- International orders are shipped via FedEx, DHL, or EMS.
- A tracking number will be provided upon parcel dispatch within 1-7 business days from our Hong Kong Warehouse.
- Delivery time varies between 3 to 15 business days, depending on the chosen shipping type.
- A signature is required for the delivery of international orders.
Frequently asked questions
How can I contact you?
You can reach us by email at hello@groov.storeor chat with us directly through our website. We're always happy to help with product questions, orders, or anything else you need.
How does shipping work?
We offer free shipping on all orders within Thailand over ฿15,000 — just use code FREESHIP at checkout. We also ship internationally, so no matter where you are, GROOV can get there.
Do you offer corporate orders?
Yes! We welcome corporate and bulk orders. Whether you're outfitting a team, studio, or office, get in touch with us and we'll take care of you. Visit our Request a Quote page or contact our team directly to get started.
Where are you located?
We'd love to show you our products up close. Visit us at our showroom in Bang Yai, Nonthaburi— but please make an appointment before coming in so we can give you the best experience. Contact us to book your visit.