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The Portable LED Speaker combines 8W audio output, Bluetooth 5.3 connectivity, and colorful LED lighting in a stylish ABS plastic and fabric design. Supporting Bluetooth, TF card, USB, AUX, FM radio, and TWS connectivity, it offers versatile music playback for home entertainment, outdoor gatherings, travel, and everyday listening. Powered by a 1200mAh rechargeable battery with approximately 4–5 hours of playback, this multifunctional speaker is an ideal choice for retailers, wholesalers, and brands seeking competitive portable audio products. Jaskey Limited provides OEM/ODM customization services to support branding, product development, and wholesale cooperation.
Discover the latest wearable Bluetooth speaker designed for portable, hands-free listening. Featuring Bluetooth 5.4, a 4W speaker driver, clip-on design, TWS interconnection, hands-free calling, and USB-C charging, it offers a practical audio solution for outdoor activities, cycling, travel, and everyday use. With OEM/ODM and private label customization options, it is suitable for brands, distributors, retailers, and e-commerce sellers looking to expand their portable audio product ranges.
The Cube Bird Dancing Speaker is a creative Bluetooth speaker that combines a playful bird-inspired design with practical audio features. Equipped with Bluetooth 5.4, hands-free calling, TWS wireless connectivity and a 3W speaker, it delivers convenient wireless entertainment in a compact design. With up to 4 hours of working time, it is suitable for home, desktop use, parties and gift collections. Ideal for retailers, wholesalers and consumer electronics brands, this novelty speaker offers opportunities for product differentiation, seasonal promotions and OEM/ODM customization.
The 2-in-1 Bluetooth Speaker with TWS Earphones combines a portable wireless speaker and true wireless earbuds in one convenient design. Featuring Bluetooth 5.3, a 5W speaker, F13 copper ring earbud drivers, and a 10–15m transmission range, it offers flexible listening for home, office, travel, and everyday entertainment. The earbuds provide approximately 4–5 hours of playback, while the speaker delivers 2–3 hours of music. Made from ABS plastic and silicone, this versatile audio product is ideal for consumer electronics brands, retailers, and gift markets seeking innovative wireless audio solutions.
The Sport TWS Earphone features Bluetooth 5.4 connectivity, a compact charging case, and a lightweight ABS plastic design for convenient everyday wireless listening. With a transmission range of up to 10 meters, 2.5–4 hours of playback time, and a 200mAh charging case, it is suitable for commuting, leisure, and daily use. Jaskey Limited offers OEM/ODM cooperation opportunities for brands, wholesalers, importers, and retailers seeking reliable wireless audio products from an experienced China consumer electronics manufacturer.
In many cases of home theater system construction, the selection and adjustment of subwoofer speakers are the most easily overlooked.
Many users don't even understand why a home theater system must have a subwoofer speakers? Can't the main speaker replace the subwoofer speaker? Or is there no clue when choosing a product. Is the larger the subwoofer speaker size, the better the effect? How to adjust the phase of the subwoofer speaker? For practical purposes, interpret the doubts or problems encountered.
1. Subwoofer is essential
Whether it is the Dolby Digital, DTS built in early DVD, or the current sound encoding such as Dolby Atmos, Dolby HD, DTS True HD, etc., there are independent subwoofer speaker channels.
That is to say, under the standard of these formal multi-channel sound effects encoding, one or more active subwoofer speakers must be matched to show the midrange, bass and even subwoofer speaker that should be in the audio. frequency band.
2. Don't judge the quality by the size of the subwoofer
The size of the subwoofer speaker involves factors such as the driving power of the subwoofer speaker itself, the type of the box, the efficiency and instantaneous performance of the single unit.
Although a large-sized subwoofer speaker can push the air with a larger area, thereby producing a more component low frequency, but it has a much heavier cone weight than a small-sized subwoofer speaker. If you want to push it out for a stronger low frequency, In the amplifier circuit part, it is necessary to have stronger output power first.
In addition, the instantaneous performance of large-sized subwoofer speaker is often not as good as that of small-caliber subwoofer speakers, so the speed of low-frequency transmission is often not fast enough, and even the phenomenon of sound "smearing" occurs. Therefore, the use of large-sized subwoofer speakers mostly only provides larger low-frequency components, and it may not be as light and agile as small-sized subwoofer speakers in the sense of speed.
3. Main speakers instead of subwoofer speakers? Sound effects at a discount
The home theater system cannot determine whether the mid- and low-frequency range (especially the low-frequency part) of the entire combination is sufficient by the size of the speaker alone, because the normal multi-channel system will most likely cross the frequency band below 80Hz or 90Hz of the response frequency band. Take responsibility for the subwoofer speaker. For users who do not consider buying a subwoofer speaker, the main speaker can also be set to full frequency through settings.
But this setting is bound to cause a greater burden on the amplifier circuit of the main speaker and the cinema power amplifier itself. In addition, the subwoofer speaker can independently adjust the volume, crossover point and phase, and can also adjust the placement according to the size of the space. Home theater systems with subwoofer speakers have more flexibility in overall debugging.
4. Subwoofers are phase-sensitive
Simply put, in the placement adjustment of the subwoofer speaker, when the subwoofer speaker and the left and right channel speakers both sound in the same direction, the sounding phase of the two should be close to the same phase angle.
If the subwoofer speaker is placed in a "hedged" position with the speaker, the subwoofer speaker will form a 180-degree anti-phase state with the left and right speakers. At this time, if the phase of the subwoofer speaker backplane is not set to 180 degrees (reverse phase), not only will the subwoofer low frequency always be emitted from the back of the sound field, or some frequency bands between the subwoofer and the speaker will be emitted. Causes the phase to be inconsistent, and even because of the overlap or cancellation of the phase, the increase or disappearance of some low-frequency frequency bands is formed.
When we adjust the positive and negative phase of the subwoofer speaker, we can follow the low-frequency volume heard at the listening position. That is to say, when we play a song with a full sense of low frequency, you can sit in the listening position, and then switch the positive and negative phases of the subwoofer speaker in turn, as long as you can feel the strong low frequency effect in the listening position, then The phase is even the one that makes you feel the low frequencies.
5. The low frequency is a mess, how should we debug it?
Generally speaking, subwoofer speakers often cause some frequency bands to disappear, but some frequency bands to be excessive because of the frequency band, phase cancellation or increase in space.
First of all, when we are adjusting the subwoofer speaker, we can start from the four parts of the subwoofer placement and angle, phase selection, volume and crossover point as adjustment items. During the initial debugging, we can adjust the volume first, and finally adjust the appropriate volume. After the problem of low frequency confusion is improved to a certain extent, use the music and movies that you are familiar with as playback detection. After adjusting the settings several times in this way, the effect of the subwoofer speaker will be improved to a certain extent.
