Item no. QJ-312. 12" woofer (120 magnet) + treble (80 magnet 25 core). Wooden cabinet. Rated power 80W, peak power 100W. Battery: 12V/7000mAh Li‑ion. Functions: TF card, FM, USB playback, Bluetooth 5.0. Power consumption 80W.
Yes — it has a built‑in 12V/7000mAh Li‑ion battery. Actual run time depends on volume and usage (BT, mic, or high bass). As a guideline, expect a few hours of playback at moderate volume; continuous high‑volume use will reduce runtime. For exact runtime under your use case, please request a test or contact the seller.
Typical charge times for similar 12V/7000mAh batteries are several hours (commonly about 4–6 hours), but the exact charging time and recommended charger/charger current should be confirmed with the seller or in the product manual.
The unit supports Bluetooth 5.0 wireless audio, TF card playback, USB playback, and FM radio. It is designed for karaoke/DJ use and typically includes microphone input(s); confirm exact connector types and line‑in options with the seller.
The product is marketed for karaoke and microphone use and generally includes microphone input(s) for wired mics. If you need built‑in wireless microphone receivers or specific wireless mic compatibility, verify those features with the seller before purchase.
Yes — it’s designed for DJ, stage and karaoke applications with robust output (80W rated, 100W peak) and multiple input/playback options. For professional large‑venue use, confirm SPL and coverage requirements versus venue size.
Yes — it’s described as a luxury trolley speaker box system, so it is intended to be portable with trolley/wheel design for easy transport. For details on handle type, wheel quality and folded dimensions, check the seller’s product sheet.
It can be used outdoors thanks to its battery power, but it is not specified as weatherproof. Avoid exposure to rain, excessive dust or extreme temperatures. For regular outdoor/professional use, ask about weather protection options or housings.
The product description does not explicitly state stereo/TWS pairing. Some models support wireless pairing; please confirm with the seller whether this specific model (QJ‑312) supports Bluetooth stereo pairing or wired linking between units.
The description lists USB and TF playback but does not specify supported file formats. Commonly these units support MP3 and WAV. Check the user manual or ask the seller for the exact supported codecs and folder/filename limitations.
The listing does not show a full accessory list. Typical packages may include the speaker, power/charging cable, remote control and a user manual. Confirm the exact items (microphone(s), cables, remote) with the seller before ordering.
Production lead time is 30–35 days after deposit is received. Payment terms: 30% deposit before production, 70% balance payment before delivery.
The product is offered for wholesale. OEM/ODM or customization options may be available — contact the seller or manufacturer to discuss minimum order quantities, customization costs, lead times and artwork/spec changes.
Warranty and after‑sales policies are not specified in the brief description. Warranty terms (duration, coverage, service process) vary by seller and market; request the warranty policy and service contact information from the seller before purchase.
For full technical specifications such as dimensions, net weight, connector types (6.35mm/XLR), SPL and frequency response, please contact the seller or request the detailed product specification sheet for item QJ‑312.
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