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<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">E68.8A 8-Channel DSP Amplifier – Ultimate Car Audio Control<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 6 High-Level + Optical/USB/BT 5.1 Inputs：Full-range connectivity for any car system.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ CLASS AB Dual Power Mode：8×25W@4Ω / 8×50W@2Ω, perfect for multi-speaker setups.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ CIRRUS LOGIC Triple-Core DSP：CS47L35+CS4344+CS5343 chipset, studio-mastering quality.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 31-Band EQ + 0.4-28.8 Q Value：Surgical precision for competition-grade sound tuning.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ Dual USB Lossless &amp; Bluetooth：Play FLAC/APE/WAV via USB drive or wireless streaming.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 10 Presets + Cross-Platform Control：PC/iOS/Android apps with one-click profile switching.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 9-16V Universal Voltage &amp; 0.45A Standby：Zero power drain in RVs/trucks during standby.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Built For：Premium audio upgrades, home theater-like systems, SPL competitions.

E48.4D CLASS D DSP Amplifier – High-Efficiency Powerhouse✅ 4 High-Level + Coaxial/Optical/USB Inputs：Audiophile-grade digital signal transmission.✅ CLASS D Dual Power Mode：50W×4@4Ω / 60W×4@2Ω, high-efficiency with minimal heat.✅ CIRRUS LOGIC 3-Core DSP：24Bit/192KHz decoding for studio-level clarity.✅ 31-Band EQ &amp; 15ms Time Alignment：Pinpoint soundstage tuning for driver-focused audio.✅ Bluetooth 5.1 &amp; Dual USB Lossless：Play FLAC/APE directly via USB or wireless streaming.✅ LCD Remote + 10 Presets：Cross-platform control (PC/iOS/Android) with instant switching.✅ 9-16V Voltage &amp; 0.45A Standby：Energy-saving design for all vehicle types.Built For：Bass-heavy systems, digital source upgrades, and road trip enthusiasts.<br style="color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">

<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Upgrade Your Car Audio with E46.4A DSP Amplifier!<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 4CH High-Level Input + Optical/USB/BT 5.1：Seamless connectivity for factory &amp; aftermarket systems!<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ CLASS AB Amplifier, Dual Impedance Power：25W×4@4Ω / 50W×4@2Ω, delivers deep bass without distortion.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ CIRRUS LOGIC 3-Core DSP Chip：24Bit/192KHz Hi-Res decoding, studio-grade sound quality!<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 31-Band EQ + 15ms Time Alignment：Perfect soundstage tuning for every seat in your car.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ Dual USB &amp; Lossless Playback：Directly play FLAC/APE/WAV files via USB drive or smartphone.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ PC/iOS/Android Tuning Apps：User-friendly interface for pro-level audio customization.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">✅ 9-16V Wide Voltage &amp; 0.35A Standby：Energy-efficient design for all vehicles.<p style="margin: 5px 0px; color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Perfect For：Car audio enthusiasts, Hi-Fi music lovers, and DIY upgraders.<div style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-pan-x: ; --tw-pan-y: ; --tw-pinch-zoom: ; --tw-scroll-snap-strictness: proximity; --tw-gradient-from-position: ; --tw-gradient-via-position: ; --tw-gradient-to-position: ; --tw-ordinal: ; --tw-slashed-zero: ; --tw-numeric-figure: ; --tw-numeric-spacing: ; --tw-numeric-fraction: ; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59, 130, 246, .5); --tw-ring-offset-shadow: 0 0 rgba(0,0,0,0); --tw-ring-shadow: 0 0 rgba(0,0,0,0); --tw-shadow: 0 0 rgba(0,0,0,0); --tw-shadow-colored: 0 0 rgba(0,0,0,0); --tw-blur: ; --tw-brightness: ; --tw-contrast: ; --tw-grayscale: ; --tw-hue-rotate: ; --tw-invert: ; --tw-saturate: ; --tw-sepia: ; --tw-drop-shadow: ; --tw-backdrop-blur: ; --tw-backdrop-brightness: ; --tw-backdrop-contrast: ; --tw-backdrop-grayscale: ; --tw-backdrop-hue-rotate: ; --tw-backdrop-invert: ; --tw-backdrop-opacity: ; --tw-backdrop-saturate: ; --tw-backdrop-sepia: ; --tw-contain-size: ; --tw-contain-layout: ; --tw-contain-paint: ; --tw-contain-style: ; border: 0px; margin: 10px 0px 0px; padding: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-variant-position: inherit; font-weight: 400; font-stretch: inherit; font-size: 14px; line-height: 25px; font-family: Inter, &quot;SF Pro Text&quot;, Roboto, &quot;Helvetica Neue&quot;, Helvetica, Tahoma, Arial, &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, serif; font-optical-sizing: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; vertical-align: baseline; color: rgb(51, 51, 51); white-space: pre-wrap; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </div>

S48.6D 6-Channel DSP Amplifier – AI-Powered Beast✅ 4 High-Level + Optical/External BT Inputs：Zero-compromise signal integrity.✅ CLASS D Dual Power Modes：40W×6@4Ω / 70W×6@2Ω, SPL-ready efficiency with 90dB SNR.✅ CIRRUS 32-bit DSP Core：24Bit/192KHz Hi-Res processing, reference-grade clarity.✅ 31-Band EQ + AI Auto-Tuning：15ms smart calibration for competition-grade sound.✅ LED Remote + Tri-Platform Control：iOS/Android/PC sync with 10 pro presets.✅ **-40℃~80℃ Extreme Durability**：Overload/heat protection for off-road adventures.✅ Expandable Bluetooth 5.0：Add wireless freedom (module sold separately).Engineered For：Multi-zone systems, SPL competitions, and polar expedition vehicles.<br style="color: rgb(0, 0, 0); font-family: &quot;Noto Sans SC&quot;; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">