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Arylic Up2Stream Amp 2.1 is a WiFi streaming amplifier designed for 2.1 stereo systems with built-in amplification for passive speakers and a dedicated subwoofer output. With 50W × 2 stereo power, 100W subwoofer output, AirPlay 2, Spotify Connect, TIDAL Connect, and multi-room support, it provides a complete wireless audio solution for music, movies, and home entertainment systems. Why it stands out Complete 2.1 Streaming Amplifier Up2Stream Amp 2.1 combines wireless streaming, stereo amplification, and dedicated subwoofer output in one compact device, making it easy to build a complete 2.1 audio system. Wireless HiFi Music Playback Enjoy high-resolution music streaming from network sources and popular streaming services with flexible wireless connectivity. Powerful Stereo Amplification The built-in Class-D amplifier delivers 50W × 2 output for passive speakers, providing clean and dynamic sound for home stereo systems. Flexible Audio System Expansion With speaker output and dedicated subwoofer connection, Up2Stream Amp 2.1 supports desktop audio, living room systems, and compact home entertainment setups. Best for Bookshelf speaker systems with subwoofer Desktop 2.1 audio setups Living room stereo systems Wireless HiFi upgrades Compact home entertainment systems Not ideal for Users looking for a simple Bluetooth-only amplifier Users requiring high-power amplification for large speakers Users wanting built-in music storage or CD playback FAQ Can Arylic Up2Stream Amp 2.1 directly power passive speakers? Yes. The built-in 50W × 2 Class-D amplifier allows direct connection to passive speakers without an additional power amplifier. Does Arylic Up2Stream Amp 2.1 support a subwoofer? Yes. It includes a dedicated subwoofer output with up to 100W power support for building a complete 2.1 audio system. Does Arylic Up2Stream Amp 2.1 support AirPlay 2? Yes. It supports AirPlay 2 for wireless streaming from compatible Apple devices. Does Arylic Up2Stream Amp 2.1 support Spotify Connect and TIDAL Connect? Yes. It supports direct network streaming through compatible music services. Can Arylic Up2Stream Amp 2.1 be used in a multi-room system? Yes. Multiple compatible Arylic streaming devices can be connected through the network for synchronized or independent playback. What speakers work best with Arylic Up2Stream Amp 2.1? It is suitable for bookshelf speakers and compact passive speakers that match the amplifier output and impedance requirements. Can Arylic Up2Stream Amp 2.1 be used for TV audio? Yes. It can integrate with TV audio systems through compatible digital or analog connections. HOW TO CONNECT 2.1 Stereo System Setup Source icon: Streaming ServiceSource: AirPlay / Spotify / Network MusicConnection: WiFi / EthernetOutput connection: Speaker Output + Subwoofer OutputTarget icon: Speakers + Powered SubwooferOutput: Complete 2.1 Audio System Note: Build a wireless stereo system with enhanced bass performance. Desktop Audio Setup Source icon: Computer / SmartphoneSource: Digital MusicConnection: Network StreamingOutput connection: Speaker OutputTarget icon: Bookshelf SpeakersOutput: Desktop HiFi System Note: Create a compact high-quality desktop audio setup. Living Room Audio Setup Source icon: TV / Streaming DeviceSource: Digital Audio SourceConnection: Optical / NetworkOutput connection: Speaker + Subwoofer OutputTarget icon: Home Audio SystemOutput: Stereo Entertainment System Note: Upgrade traditional speakers with modern streaming features. Technical Specifications Amplifier Feature Specification Amplifier Type Class-D Stereo Output Power 50W × 2 Subwoofer Output Power 100W System Type 2.1 Stereo Amplifier Speaker Type Passive Speakers Streaming Feature Specification WiFi Supported Ethernet Supported AirPlay 2 Supported Spotify Connect Supported TIDAL Connect Supported DLNA Supported Multi-room Audio Supported Audio Resolution Up to 24-bit / 192kHz Connectivity Feature Specification Optical Input Supported RCA Line Input Supported Subwoofer Output Supported Bluetooth Supported Recommended System Setup Setup Connection 2.1 Music System Streaming Source → Up2Stream Amp 2.1 → Speakers + Subwoofer Desktop Audio Computer / Phone → Up2Stream Amp 2.1 → Bookshelf Speakers Living Room System TV / Streaming Source → Up2Stream Amp 2.1 → Stereo System What's in the box Arylic Up2Stream Amp 2.1 ×1 Power Adapter ×1 Speaker Cable ×1 User Manual ×1 Additional Product Content Arylic Streaming Amplifier Comparison Feature Up2Stream Amp V4 Up2Stream Amp 2.1 Up2Cast Amp Product Position Streaming Amplifier 2.1 Streaming Amplifier Premium Streaming Amplifier Stereo Output 50W × 2 50W × 2 50W × 2 Subwoofer Output No Dedicated Output 100W Subwoofer Output Supported Audio Resolution 24-bit / 192kHz 24-bit / 192kHz 24-bit / 192kHz AirPlay 2 Supported Supported Supported Spotify Connect Supported Supported Supported TIDAL Connect Supported Supported Supported Multi-room Supported Supported Supported Best Focus General wireless stereo Stereo + Subwoofer system Premium wireless HiFi

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When your amplifier is hungry for current, feed it properly. The Grey Knight ENERGY is engineered for high-current, high-energy power delivery — the kind of cable that lets a big Class-AB amplifier or a power-hungry integrated amp breathe freely instead of choking on a stock cord. Three 6.15 mm² single-crystal OCC copper cores carry serious amperage, while a triple-layer shield keeps the audio path clean. Why this cable matters 3 × 6.15 mm² OCC single-crystal copper core — three independently insulated conductors of ultra-pure, single-crystal oxygen-free copper. The generous 6.15 mm² cross-section keeps series resistance low even under heavy dynamic swings, so bass stays tight and transients stay fast. Triple-layer shielding — high-density pure-copper braid + aluminum foil + high-temperature mica tape. The combined anti-interference coefficient exceeds 98 %, shunting EMI and RFI to earth before they contaminate the audio band. 19 mm outer diameter, extra-thick PET jacket — substantial build that feels like it belongs on serious gear; the abrasion-resistant PET skin survives rack routing and stage use. Two conductor versions — choose STANDARD (pure OCC copper) or UPGRADER (OCC copper with silver enhancement) to match your budget and sonic preference. US / EU / AU plug options — pick the mains standard for your region. Specs at a glance Model: Grey Knight ENERGY (GK-ENERGY) Conductor: OCC single-crystal copper, 3 × 6.15 mm² Versions: STANDARD (OCC copper) / UPGRADER (OCC copper + silver) Shielding: Pure-copper braid + aluminum foil + mica tape (>98 % rejection) Outer diameter: 19 mm Jacket: Extra-thick abrasion-resistant PET Plug: US / EU / AU (rhodium-plated contacts) Available lengths: 1 m / 1.5 m / 2 m / 3 m Application: power amplifier, integrated amp, CD player, DAC, power distributor / filter If your gear draws real current, the ENERGY is the cable that stops it from being starved at the wall.

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Fosi Audio P4 is a compact solid-state stereo preamplifier that brings three RCA sources under one volume and tone-control stage.Its motorized analog volume control, remote operation, three-level gain, tone bypass and separate pre-out make it a practical partner for power amplifiers and powered subwoofers.Why it stands outThree-source analog hubThree RCA inputs allow convenient switching among a DAC, streamer, CD player or other line-level source.Motorized analog volume controlThe remote-driven analog potentiometer provides smooth level adjustment without replacing the analog signal path with digital volume control.Flexible tone and gain adjustmentBass, treble, bypass and three gain levels help match different source levels and listening preferences.Low-noise preamplifier performanceHigh SNR and low THD+N support clean system control in a compact all-metal chassis.Best for Systems with multiple line-level analog sources Power amplifiers needing source selection and remote volume Powered speaker systems 2.1 systems using the volume-controlled pre-out Not ideal for Driving passive speakers directly Turntables without a built-in or external phono preamp Users needing Bluetooth or digital audio inputs EMiUZEK Buying Notes P4 is a preamplifier and cannot directly power passive speakers. All three inputs are line-level RCA; a standard turntable requires a phono preamp. Pre-out is volume controlled and suitable for compatible powered subwoofers or powered speakers. Frequently asked questionsCan P4 drive passive speakers?No. Connect its RCA output to a power amplifier that drives the passive speakers.Does P4 include Bluetooth?No. It is an analog RCA preamplifier.Can I connect a turntable?Only if the turntable has a built-in phono stage or you use an external phono preamp.What is pre-out for?It provides a volume-controlled line-level output for compatible powered speakers, a powered subwoofer or downstream equipment.Can tone controls be bypassed?Yes. The bypass function provides a more direct signal path when tone adjustment is not needed.What does the gain setting do?The three gain levels help match differing source output levels and system sensitivity.HOW TO CONNECTPower amplifier systemSource: DAC, streamer, CD player or phono preampConnection: RCA inputOutput: RCA outputTarget: Power amplifier → passive speakersNote: Select the source and use P4 for volume control.Powered speaker systemSource: Up to three line-level sourcesConnection: RCA inputOutput: Pre-out or RCA outputTarget: Powered speakersNote: Begin with conservative volume settings on both devices.2.1 systemSource: Line-level sourceConnection: RCA inputOutput: RCA output + pre-outTarget: Power amplifier and powered subwooferNote: Use pre-out for the powered subwoofer and confirm crossover settings.Technical SpecificationsAudio performance Feature Specification Product type 2.0-channel solid-state preamplifier SNR ≥110dB Dynamic range ≥110dB THD+N ≤0.003% Crosstalk ≥105dB Noise floor ≤9μV Frequency response 20Hz–20kHz (±0.1dB) Tone adjustment ±12dB Connectivity and power Feature Specification Inputs RCA × 3 Outputs RCA, pre-out Gain adjustment +3dB / +6dB / +9dB Volume control Motorized analog potentiometer with remote Power supply DC 12V / 1.5A Recommended System Setup Setup Connection Stereo separates Sources → P4 → Power amplifier → Passive speakers Powered speakers Sources → P4 → Powered speakers 2.1 separates Sources → P4 → Power amplifier + powered subwoofer Additional Product ContentFosi Audio product comparisonCompare the main Fosi Audio preamplifier choices by source support, outputs and the features that most affect system design. Feature P4 P3 ZP3 Product position Compact analog preamp Tube preamp + headphone amp Balanced high-performance preamp Analog inputs RCA × 3 RCA RCA × 2, XLR Wireless / digital inputs None Bluetooth 5.1 None Main outputs RCA, pre-out RCA, AUX RCA, XLR, sub-out Headphone output No 3.5mm No Speaker amplification No No No Tube stage No Yes, replaceable 5654W No Tone controls Bass and treble with bypass Bass and treble Bass and treble Remote control Yes No Yes THD+N ≤0.003% ≤0.02% ≤0.0007% SNR ≥110dB ≥103dB ≥115dB Best use Three analog sources and powered sub expansion Bluetooth tube preamp and headphones Balanced stereo system integration

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EMiUZEK AMP D60は、自作スピーカーや既存のパッシブスピーカーを使ったシステムに、ワイヤレス音楽再生とマルチルーム機能を組み込むためのステレオアンプ基板です。Wi-Fi、Bluetooth、有線LANに対応し、スマートフォンやネットワーク上の音源を再生できます。完成品のアンプではなく、配線と組み込み作業が必要なDIYモジュールです。 主な特長 ワイヤレス接続とネットワーク再生2.4 GHz Wi-FiとBluetoothに対応しています。有線接続には10/100 MbpsのRJ45 LAN端子を使用できます。対応プロトコルはAirPlay、DLNA、UPnP、Spotify Connect、Qplayです。 マルチルーム再生複数の対応機器を接続し、複数の部屋で同じ音楽を同期再生したり、部屋ごとに別の音楽を再生したりできます。アプリから音源の選択、音量、EQ設定を操作できます。 ステレオアンプ出力TPA3116D2アンプチップを搭載しています。ステレオ出力は24 V電源・4 Ω負荷時に50 W＋50 Wです。出力は電源電圧とスピーカーの負荷によって異なります。 対応音声形式最大192 kHz／24 bitのデコードに対応し、出力は最大44.1 kHz／16 bitです。FLAC、MP3、AAC、AAC+、ALAC、APE、WAV形式、およびDLNAに対応するNASからの再生に対応しています。 適した用途自作オーディオやカスタムスピーカーの製作OEM試作既存の筐体への組み込みやアップグレード電源・配線・端子配置を確認して作業できる方のDIYプロジェクト 購入前にご確認ください本製品はDIY用の基板です。電源電圧、端子配置、接地、筐体内のスペースを確認してから通電してください。電源を入れた状態で基板やケーブルを接続・取り外ししないでください。すぐに使える完成品をお探しの方や、電源・端子の取り扱いに慣れていない方には適していません。付属品は選択したセットの記載内容をご確認ください。記載のないアクセサリーは付属しません。 接続の基本電源を切った状態で、基板の表示に従って対応する電源と接地を接続します。使用するスピーカーや入出力端子を確認し、適切な配線を行います。スマートフォンやネットワーク音源をWi-FiまたはBluetoothで接続します。拡張基板を使用する場合は、互換性とヘッダー・ケーブルの接続仕様を事前に確認してください。 技術仕様項目仕様 ネットワークWi-Fi：IEEE 802.11 b/g/n、2.4 GHzBluetooth受信：SBC／AAC有線LAN：10/100 Mbps、RJ45 対応プロトコルAirPlay、DLNA、UPnP、Spotify Connect、Qplay 電源入力DC 12～24 V入力、または12～24 Vの2ピンコネクター アナログ入力3.5 mmライン入力（1 Vrms）、4ピン・ライン入力（1 Vrms） アナログ出力4ピン・ライン出力（1 Vrms）、スピーカー出力 デジタル入力Micro USB入力、SPDIF入力ピンコネクター その他の端子LED、赤外線受信、ボタン、ロータリーエンコーダー、GPIO、モノラル出力用のピンコネクター 音声デコード／出力デコード：最大192 kHz／24 bit出力：最大44.1 kHz／16 bit 音楽ファイル形式FLAC／MP3／AAC／AAC+／ALAC／APE／WAV NAS／USBメモリーDLNA対応NASをサポートUSBメモリー：最大1,000曲 S/N比／THD+N91 dB／0.03%（1 kHz、50 W＋50 W、24 V、4 Ω条件） 周波数特性20 Hz～20 kHz ステレオ出力50 W × 2（24 V、4 Ω）30 W × 2（24 V、8 Ω）15 W × 2（15 V、8 Ω） モノラル出力100 W（24 V、2 Ω）60 W（21 V、4 Ω）30 W（18 V、8 Ω）モノラル運用は対応する設定・配線を確認してから行ってください。 スピーカーインピーダンス4～8 Ω。モノラル出力の条件は上記の各定格を参照してください。 アンプチップTPA3116D2 動作温度0～40 ℃ ボタンとLED表示 電源オン時：短く1回押すと入力モードを切り替え、長押しすると電源をオフにします。短く2回押すと、Wi-Fiモードでは現在の接続を解除してペアリング待機になり、Bluetoothモードでは接続中の機器を切断します。短く3回押すと工場出荷時の設定に戻ります。電源オフ時は短く押すと電源がオンになります。 白：Wi-Fi／ネットワークモード。速い点滅は起動中、遅い点滅は接続待機、点灯は接続完了です。青：Bluetoothモード。遅い点滅は接続待機、点灯は接続完了です。緑：ライン入力モード赤：USBモード黄：PC接続モード紫：SPDIF入力モード よくある質問 PCからワイヤレスで再生できますか？AirPlay、DLNA、UPnPに対応するソフトウェアを使用できます。使用するアプリと接続方式の対応状況を確認してください。 インターネットラジオのURLを登録できますか？4STREAMアプリのインターネットラジオ画面から右上のメニューを開き、「Custom URL」にURLを入力します。Web操作画面では「Radio」からアカウントを登録し、「my station」を使用する方法もあります。 付属品と資料EMiUZEK AMP D60基板 × 1220 mm内部Wi-Fiアンテナ × 24ピンPhoenixコネクタードライバーユーザーマニュアル資料はEMiUZEKダウンロードセンターをご確認ください。 製品の詳細画像 配送・保証・返品追跡可能な国際配送に対応しています。配送方法とお届け予定はチェックアウト時に表示されます。アンプの保証期間は1年間です。誤使用、事故、無断修理、業務用途は保証の対象外です。返品対象の商品は、配達から14日以内に返品を申請できます。再入庫手数料はかかりません。お客様都合による返品では、元の送料と関税は返金対象外です。初期不良・不良品・誤配送の場合は、返品ポリシーに従って交換または全額返金に対応します。返送前にsupport@emiuzek.comへご連絡ください。返品には未使用・元の状態であること、付属品・説明書・梱包などが揃っていること等の条件があります。詳しくは返品ポリシーをご確認ください。

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