&lt;h1 class=&quot;a-size-base-plus a-text-bold&quot; style=&quot;outline: 0px; margin-bottom: 0px; padding: 0px 0px 4px; border: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; list-style: none; text-rendering: optimizelegibility; color: rgb(15, 17, 17); font-family: &amp;quot;Amazon Ember&amp;quot;, Arial, sans-serif; line-height: 24px !important; font-size: 16px !important; font-weight: 700 !important;&quot;&gt;About this item&lt;/h1&gt;&lt;ul class=&quot;a-unordered-list a-vertical a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 18px; padding: 0px; border: 0px; font-size: 14px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; list-style: none; color: rgb(15, 17, 17); font-family: &amp;quot;Amazon Ember&amp;quot;, Arial, sans-serif;&quot;&gt;&lt;li class=&quot;a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: disc; overflow-wrap: break-word;&quot;&gt;&lt;span class=&quot;a-list-item&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: none; color: var(--N4QdCheV6mGo,#0f1111);&quot;&gt;【Multiple Power Options】This is a product that can be powered by a 12-24V DC single power supply. It adopts a wide operating voltage, a power-saving design, and an efficiency of more than 90%. It can be used with laptop power supply, charging bottle, or car power supply, etc.&lt;/span&gt;&lt;/li&gt;&lt;li class=&quot;a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: disc; overflow-wrap: break-word;&quot;&gt;&lt;span class=&quot;a-list-item&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: none; color: var(--N4QdCheV6mGo,#0f1111);&quot;&gt;【Independent Output】Two high-performance digital power amplifier chips are used as the core, one for the parallel bridged bass channel power amplifier output, and the other for the left and right channel power amplifier output. Can support 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output.&lt;/span&gt;&lt;/li&gt;&lt;li class=&quot;a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: disc; overflow-wrap: break-word;&quot;&gt;&lt;span class=&quot;a-list-item&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: none; color: var(--N4QdCheV6mGo,#0f1111);&quot;&gt;【Rotation Adjustment】With an external audio source input interface, pre-amplification and bass crossover processing, and 5 adjustment potentiometers for adjusting the bass volume, bass frequency, left and right channel volume, treble, switch/total volume.&lt;/span&gt;&lt;/li&gt;&lt;li class=&quot;a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: disc; overflow-wrap: break-word;&quot;&gt;&lt;span class=&quot;a-list-item&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: none; color: var(--N4QdCheV6mGo,#0f1111);&quot;&gt;【Anti-shock Circuit】Anti-shock protection when booting, there is no popping sound when booting.&lt;/span&gt;&lt;/li&gt;&lt;li class=&quot;a-spacing-mini&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: disc; overflow-wrap: break-word;&quot;&gt;&lt;span class=&quot;a-list-item&quot; style=&quot;line-height: normal; outline: 0px; margin: 0px; padding: 0px; border: 0px; background: transparent; list-style: none; color: var(--N4QdCheV6mGo,#0f1111);&quot;&gt;【Parameters】Wireless power amplifier, audio input sensitivity: 600-800mV, frequency response range: 20Hz-20KHz, speaker impedance: left and right channels: 4-8 ohms, bass channel: 2-8 ohm&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;