Unleash Studio-Quality Sound Meet the WiiM Amp Ultra – our most advanced streaming amplifier yet. Built for music lovers, home theater buffs, and smart home fans, it delivers stunning 100W per channel (8Ω) with ultra-low distortion, pushing high-fidelity audio to every corner of your space. Whether it’s vinyl, Spotify, or cinematic surround sound—you’ll hear it like never before. Beautiful Inside and Out Designed to stand out and fit in, the Amp Ultra features a sleek unibody aluminum chassis and a vibrant 3.5″ glass-covered touchscreen. Easily control playback, switch sources, view album art, and more—all at your fingertips. Flagship Components, Flawless Fidelity Under the hood, the Amp Ultra is powered by top-tier components: ESS ES9039Q2M SABRE DACDual TI TPA3255 Class-D amplifiersSix TI OPA1612 op-amps Combined with Post Filter Feedback (PFFB) technology, it delivers clean, detailed sound with consistent performance across all speaker loads—perfect for bookshelf, floor-standing, or in-wall speakers. Post Filter Feedback Technology At the core of the WiiM Amp Ultra’s superior sound is its advanced Post-Filter Feedback (PFFB) technology, a cutting-edge refinement system that minimizes distortion, enhances clarity, and ensures consistent sound quality across different speaker loads. Unlike traditional amplifiers that suffer from load-dependent performance variations, PFFB dynamically compensates for these inconsistencies, delivering a more accurate, balanced, and natural sound signature. The result? A wider soundstage, richer details, and an immersive listening experience that faithfully reproduces every note with precision and depth. Advanced Thermal Management High-power amplification generates heat, but the WiiM Amp Ultra stays cool under pressure with advanced thermal management: Copper Heat Pipe – Rapidly transfers heat from key components for stable performance at any volume. Large Aluminum Heatsink – Exceptional conductivity ensures fast, efficient cooling, preventing thermal throttling. Precision PID Control – Real-time temperature regulation for optimal cooling and long-term reliability. Next-Gen Wireless Streaming Stay connected with the latest in wireless tech: Wi-Fi 6 (Tri-Band) Bluetooth 5.3 with SBC and AAC support Stream ultra-high-resolution audio with near-zero latency—no dropouts, no lag, just music. See Your Sound A vivid 3.5″ glass touchscreen puts album art, VU meters, and one-tap controls front and center—making input switching, setting tweaks, and playback navigation effortless, with instant visual feedback. Built-In RoomFit™ Room Correction Every room is different—WiiM Amp Ultra adapts. Using built-in acoustic measurement and correction, it tunes your setup to match your environment, optimizing for speaker type, distance, and room acoustics. Tailor Your Sound Dial in the perfect tone with: 24 Preset EQ Profiles 10-Band Graphic and Parametric EQ Per-input EQ settings Subwoofer crossover control Versatile Connectivity Easily integrate turntables, TVs, CD players, or stream to any WiiM or Bluetooth-enabled device. Control Everything with the WiiM Home App One app. Total control. Stream music, adjust EQ, group rooms, set alarms, or update firmware with ease—right from your phone or tablet. Take full control with the WiiM Voice Remote 2 WiiM Voice Remote 2 crafted with a sleek aluminum body, rechargeable battery, and intuitive Push-to-Talk voice commands—plus smart presets and dedicated playback buttons for a seamless, intuitive experience. Smarter Listening Multi-Room Audio with WiiM, Google Home, and Alexa systems Stereo Pairing for wider soundstage Home Theater Mode with HDMI ARC and Dolby Digital support Smart Presets & Alarm Clock to simplify your routine Voice Control via Alexa, Google Assistant, Siri, or the included WiiM Voice Remote Future-Proof by Design We’re constantly improving. With regular OTA firmware updates, your Amp Ultra only gets better over time—with new features, streaming services, and optimizations. FAQs What speakers can I use with WiiM Amp Ultra? WiiM Amp Ultra supports most passive speakers with an impedance between 2–8 ohms. It can power bookshelf, tower, in-wall, or outdoor speakers—up to four in total (two pairs in parallel at 4Ω). Can I connect my turntable or CD player? Yes! Use the Line-In input to connect your analog sources such as turntables (with built-in or external preamp), CD players, or tape decks. Does it support HDMI ARC? Absolutely. HDMI ARC lets you connect your TV and control volume directly from the TV remote. It also supports Dolby Digital for immersive home theater audio. Can I use it with my subwoofer? Yes, there’s a dedicated Subwoofer Out (RCA) for connecting active subwoofers. You can adjust crossover and gain in the app for a seamless blend. Does WiiM Amp Ultra work with smart home systems? Yes, it works with Alexa, Google Assistant, and is compatible with multi-room setups using WiiM, Alexa Cast, or Google Cast. It also works with Control4, RTI, URC, NICE etc. custom installation platform. What music services are supported? You can stream from Spotify, TIDAL, Qobuz, Amazon Music, Deezer, Pandora, TuneIn, SoundCloud, iHeartRadio, and more via the WiiM Home App or your favorite casting protocol. Specifications: Dimensions and Weight Dimensions: 7.87 x 8.3 x 3 inches (200 x 211 x 76.2 mm) Weight: 5.4 lbs (2.45 kg) Audio Performance • Power Output (THD = 0.08%, two channels driven): 100 W per channel @ 8Ω, 200 W per channel @ 4Ω • Amplifier Technology : Class-D with PFFB (Post-Filter Feedback) technology •Total Harmonic Distortion (THD+N): ≤0.005%, -106 dB (A-weighted) • Signal-to-Noise Ratio (SNR) : ≥120dB • Damping Factor: 94 • Frequency Response: 20Hz – 20kHz ± 0.5dB • Impedence Range: 2 – 8Ω Audio Processing Premium Audio Components: ESS 9039Q2M high-performance DAC, Dual TI TPA3255 Amps, TI OPA1612 op-amps for ultra-low distortion and rich, detailed sound. Bit-Perfect Playback: Supports up to 192kHz/24-bit audio Dynamic Range: ≥120dB for high-resolution sound Input & Output Options ✅ Analog Inputs: • 1x RCA Stereo: Connects to external audio sources like CD players or PCs ✅ Digital Inputs: • 1x Optical (TOSLINK) – Up to 192kHz/24-bit • HDMI ARC: Receives audio from TVs, PCM up to 192kHz/24-bit, and Dolby Digital 5.1 formats ✅ Speaker Outputs: • Gold-plated binding posts (supports banana plugs or bare wire connections) ✅ USB Audio Output: • Supports up to 8-channel 24-bit/192kHz; UAC 2.0 compliant ✅ Sub Output: • Dedicated output for powered subwoofers (RCA Mono) Wireless & Network Connectivity Wireless Connectivity: Bluetooth 5.3: Supports A2DP receiver and transmitter, AVRCP, HID, and works with the WiiM voice remote Wi-Fi 6 (Upgradeable to Wi-Fi 6E): Ensures stable and high-speed wireless streaming Wired Network: Ethernet (100Mbps): Standard RJ45 port EQ & Sound Customization Input-Specific EQ: Independent settings for Wi-Fi, HDMI ARC, Optical, Bluetooth, Line-In EQ Tools: ▪ 24 Preset EQ Profiles ▪ 10-Band Graphic & Parametric EQ ▪ Built-in Room Correction with mic-guided acoustic tuning Streaming & Smart Features Streaming Protocols: ▪ WiiM Home App ▪ Chromecast Audio ▪ Spotify Connect ▪ TIDAL Connect ▪ DLNA, LMS ▪ Roon Ready (Certification Pending) • Multi-Room Audio: Compatible with WiiM, Google Home, and Alexa multi-room systems • Stereo Pairing: Supports L/R speaker setup for enhanced stereo imaging • Home Theater Mode: Functions as front, center, or surround channel in a Dolby 5.1 setup via HDMI ARC • Smart Presets: Quick access to favorite playlists, sources, or routines • Alarm Clock: Configurable time, repeat schedule, and music source Touch Display Screen: 3.5” glass-covered capacitive touchscreen Functions: ▪ Playback controls, album art, EQ adjustment, input switching ▪ Queue view, preset access, VU meters, time/date in standby ▪ Custom wallpapers and onboarding setup (OOBE) ▪ Supports firmware updates directly via screen Design & Controls Chassis: Precision-machined unibody aluminum for durability & heat dissipation Dimensions: 7.9” x 2.9” x 7.9” (200 x 75 x 200 mm) Weight: 5.4 lbs (2.45 kg) Physical Controls: Multifunctional rotary knob (Volume, Play/Pause) Thermal Management: Copper heat pipe, large aluminum heatsink, unibody aluminum case, and precision PID thermal control Cooling System: Passive, silent operation Package Contents User Guide *1Power Cable *1RCA Cable *1 Optical Cable *1 HDMI Cable *1 Remote 2 *1Banana Plugs *4
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