SpecsDevice CompatibilityBluetoothGeneral SpecificationsBluetooth Version5.0Low Frequency Transducer4.5 in (118 mm)High Frequency Transducer0.75 in (19 mm), soft domeCrossover1725 Hz, 1st orderPower Amp60 W (30 W each speaker), Class DSensitivity87 dB SPL @ 1 m with -10 dBV Aux In (Volume = Max)Maximum Continuous SPL89 dBSystem Peak SPL102 dB (pink noise, 12 dB crest factor)Maximum SPL, Momentary Peak104 dBMaximum Peak Input Level (-10 dBV / +4 dBu):+6 dBV / +20.3 dBuFrequency Range (-3 dB SPL)88 Hz – 20 kHzFrequency Range (-10 dB SPL)60 Hz – 20 kHzSystem Rated Impedance8 ΩMinimum Impedance7.8 Ω @ 260 HzCabinet Tuning Frequency72 HzSystem Distortion Criteria<10% THD at maximum output with full compressor / limiter engagementElectrical Distortion Criteria<0.2%THD @ 1 kHz, 2.83 VRMS output; <1% THD @ 1 kHz, full rated outputSignal to Noise Ratio75 dBA (A-Weighted), 70 dBr (unweighted), relative to 2.83 VRMS output on HFCoverage (Horizontal x Vertical)120º x 60ºAcoustic Test SpecificationATS# 1000340443DimensionsHeight9.72 in (247 mm)Width6.02 in (153 mm)Depth4.88 in (124 mm)Net WeightPrimary Monitor = 4.54 lb (2.06 kg); Secondary Monitor = 3.81 lb (1.73 kg)DesignEnclosure TypePortedEnclosure MaterialABS with metal grilleEnclosure FinishMatte black acrylic paint (104-BT) ; Matte white acrylic paint (104-BTW)Audio OutputSystem Output Type1/8" stereo headphone with auto speaker muteAudio InputSystem Input TypeBluetooth, 1/8" Aux, RCA, 1/4" TRS balancedInput Selection OptionsBluetooth, Aux, RCA, TRS, AllPowering InterfaceSystem Power Handling30 W x 2 @ 100 hours, IEC/SMSSystem PolarityEIAAC Input Voltage100 – 240 VAC (± 10%), 50/60 HzCurrent Draw85 wattsElectrical Current Draw (W) Idle 100 / 240 VAC3.52 / 3.70Electrical Current Draw (W) Max Power 100 / 240 VAC80 / 80Electrical Current Draw (W) Low Power Standby Mode 100 / 240 VAC0.34 / 0.46
JBL 104-BT compact reference monitors with Bluetooth, the newest models in the 1 Series line, draw from seven decades of JBL Professional engineering to deliver the truest, most accurate sound in their class. They’re perfect for recording musicians, producers, podcasters and vloggers, as well as professional audio engineers seeking an accurate portable reference with Bluetooth streaming. JBL 104-BT Reference Monitors combine a powerful coaxial 4.5-inch (118 mm) low-frequency driver and .75-inch (19 mm) soft-dome tweeter, potent integrated 60-watt amplification and an innovative acoustic design to reproduce honest sound with exceptional imaging and crisp detail. Bluetooth streaming lets you check mixes over Bluetooth to make sure they sound great in every listening scenario. Both the black 104-BT and white 104-BTW versions are sleek, elegant designs and compact form factors, making stunning statements in any studio while conserving valuable work space. Creative professionals, music lovers and anyone who wants the flexibility to stream both wired and wireless sound into high-quality studio monitors can count on JBL 104-BT to provide an accurate, reliable sonic reference and a truly enjoyable listening experience.