Specification AgeRangeDescription : adult AssemblyInstructions : Unbox speakers, connect to audio source, optionally mount. (No detailed assembly required.) AudioDriverSize : 6.5 inches AudioDriverType : dynamic_driver AudioOutputMode : Surround BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Fosi Audio BulletPoint1 : Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience BulletPoint2 : Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4" TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with other devices, streamlining the process of turning on/off without individual operations BulletPoint3 : Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μV, it delivers exceptional clarity and low distortion BulletPoint4 : Advanced Heat Dissipation: Based on V3's groundbreaking heat dissipation design, we upgraded ZA3's cooling system by featuring a larger chassis, moving vents to the sides, and adding dust covers to achieve better ventilation for a sustained and stable high power output BulletPoint5 : Enhanced Scalable Fun: Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. to fine-tune your sound to perfection BulletPoint6 : 【360° WIRELESS REMOTE CONTROL】No need to aim at the speaker, WiFi omni-directional control breaks free from traditional IR remote "line-of-sight shackles" and enjoy truly boundary-free control. Adjust volume, skip tracks, switch modes effortlessly, whether the speaker is by your TV, on your desk, in a shelf corner, or anywhere in the room. BulletPoint7 : 【TREBLE & BASS CONTROL】Enjoy complete control over your sound experience with dedicated bass and treble adjustment knobs on the speaker, plus a quick-access bass button on the remote. Perfectly tailor sound for movies, music, or gaming—whether you prefer deep, resonant bass or crystal-clear, detailed highs, all adjustments are just a touch away. BulletPoint8 : 【STANDBY SILENCE & ENERGY SAVER】Advanced digital filtering technology eliminates background noise during use, ensuring clear sound while keeping standby mode quiet. Low-power standby consumes minimal energy, reducing electricity costs and environmental impact. Color : Black CompatibleDevices : Speaker CompatibleDevices1 : Smartphone CompatibleDevices2 : Tablet CompatibleDevices3 : MP3 Player CompatibleDevices4 : Desktop CompatibleDevices5 : Television CompatibleDevices6 : Projector CompatibleDevices7 : Laptop CompatibleWithVehicleType : Car ConnectivityProtocol : RCA, 5-way binding posts ConnectivityProtocol1 : Aux ConnectivityProtocol2 : Optical ConnectivityProtocol3 : Bluetooth ConnectivityTechnology : Wired;Wireless;Wi-Fi ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : USB ConnectivityTechnology3 : Bluetooth ConnectorType : HDMI ControllerType : Corded electric ControllerType1 : Button ControllerType2 : Remote Control ControlMethod : touch CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 3830336772848 ExternallyAssignedProductIdentifier1 : 027108948027 ExternallyAssignedProductIdentifier2 : 0027108948027 ExternallyAssignedProductIdentifier3 : 00027108948027 FrequencyResponse : 20 KHz GpsrSafetyAttestation : 1 Impedance : 8 ohm IncludedComponents : Fosi Audio ZA3 Power Amplifier x1;48V5A Power Adapter x1;User Manual x1 IncludedComponents1 : AV Receiver IncludedComponents2 : Indoor FM Antenna, AM loop antenna IncludedComponents3 : Setup Mic for AccuEQ IncludedComponents4 : Quick Start Guide IncludedComponents5 : Remote controller, AAA Batteries x 2 IndoorOutdoorUsage : indoor IsWaterproof : FALSE ItemName : Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Theater Bookshelf Tower Floorstanding Passive Speakers with 48V Power Supply ItemPackageDimensions_Height : 36.703 centimeters ItemPackageDimensions_Length : 8.1026 centimeters ItemPackageDimensions_Width : 23.0886 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : audio-component-amplifiers Language : english Manufacturer : Fosi Audio Material : Wood MaximumSupplyVoltage : 48 volts_of_direct_current ModelName : TX-SR494 ModelNumber : ZA3 MountingType : Surface Mount NumberOfBoxes : 1 NumberOfChannels : 2 NumberOfItems : 1 OutputPower : 235 watts PackageLevel : unit PackageTypeName : Cardboard Box PartNumber : ZA3 PowerSourceType : Corded Electric ProductDescription : 1. Channel: 2.1 2. Input: RCA, XLR 3. Output: Speaker Output, Active Subwoofer Output 4. SINAD: 89dB 5. SNR≥ 106dB 6. THD: < 0.006% 7. Voltage Range: DC 24-48V ProductSiteLaunchDate : 2023-12-18T08:00:00.000Z RecommendedUsesForProduct : Styling SignalToNoiseRatio : 80 decibels Size : 12S 80A 3.7V Same SpeakerAmplificationType : Passive SpeakerConnectivity : Wired SpeakerSize : 6.5 inches SpeakersMaximumOutputPower : 150 watts SpeakerType : Bookshelf SpecificationMet : FCC SpecificUsesForProduct : home theater systems, computers, TVs, music players StreetDate : 2019-03-01T00:00:01Z Style : Receiver SupplierDeclaredDgHzRegulation : not_applicable SupportedInternetServices : Pandora SupportedInternetServices1 : Pandora SupportedInternetServices2 : SiriusXM SupportedInternetServices3 : Internet Radio SupportedInternetServices4 : Spotify SurroundSoundChannelConfiguration : 7.2 TargetGender : unisex TotalHarmonicDistortion : ≤1% TotalHdmiPorts : 7 UnitCount : 1 UnspscCode : 52161547 VideoEncoding : H.264, H.265/HEVC Voltage : 48 volts WarrantyDescription : 2 years warranty WarrantyType : Limited WaterResistanceLevel : not_water_resistant Wattage : 235 watts WirelessCommunicationTechnology : Wi-Fi WirelessCommunicationTechnology1 : Bluetooth WirelessCommunicationTechnology2 : AirPlay WirelessCommunicationTechnology3 : Wi-Fi WirelessCommunicationTechnology4 : AM/FM