Square Audio High-power Portable Subwoofer
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Estimated Delivery:Sep 17 - Sep 21
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Free Shipping & Returns: On all orders over $75

Square Audio High-power Portable Subwoofer
Product information:
Power type: lithium battery
Frequency range: 100HZ-20KHZ
Rated Voltage: 5
Additional functions: card insertion, recording, voice prompt, money collection broadcast
Applicable scenarios: Desktop, fitness, outdoor, home, karaoke, square dance
Rated Power: 40
Specification: Shanshui E50 4-inch speaker standard 4 sections 18650 without microphone, Shanshui E51 6.5-inch speaker Standard 6 sections 18650 with single microphone
Speaker * 1
















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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
Discover more in our FAQ
How long does it take to process an order?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do you ship internationally?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What is your return policy?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do your products come with a warranty?
Yes! All our gadgets come with a 6-month warranty, unless otherwise specified on the product page.
How long does shipping take?
Standard shipping takes 3–7 business days. Express options are also available at checkout.