article: DMC-000075700-en

JBL 104-BT Bluetooth Desktop Monitor Speakers, Black (Pair)

JBL 104-BT is a black stereo desktop monitor pair with coaxial 4.5-inch woofers and 0.75-inch soft-dome tweeters. Its Class D amplifier supplies 30 W to each speaker, for 60 W across the pair. Bluetooth 5.0, balanced TRS, RCA and stereo mini-jack inputs are provided.

Characteristics
Connectivity technology
Wired & Wireless
Speaker type
Speaker
Product colour
Black
Total pair amplifier output power
60 W
Nominal LF driver size
4.5 in
Nominal HF driver size
0.75 in
Bluetooth version
5.0
Bluetooth audio input
Yes
Each speaker height
247 mm
Each speaker width
153 mm
Each speaker depth
124 mm
Host speaker weight
2.06 kg
Extension speaker weight
1.73 kg
Crossover frequency
1725 Hz
Crossover filter order
1
Frequency response lower limit (±3 dB)
60 Hz
Frequency response upper limit (±3 dB)
20000 Hz
Nominal AC input voltage min
100 V
Nominal AC input voltage max
240 V
AC supply frequencies
50 Hz, 60 Hz
AC input voltage tolerance (±)
10 %
LF Driver
4.5 in (118 mm)
HF Driver
0.75 in (19 mm), soft dome
Input Sensitivity
87 dB / 1 m
Power Amp
60 W (30 W each speaker), Class D
Maximum Continuous SPL
89 dB
Maximum SPL (1m)
104 dB (momentary peak)
Maximum Peak Input Level (-10 dBV / +4 dBu)
+6 dBV / +20.3 dBu
Signal-to-Noise Ratio
75 dBA (A-Weighted), 70 dBr (unweighted), relative to 2.83 VRMS output on HF
Coverage Angle
120º x 60º
Enclosure Type
Ported
Enclosure
ABS with metal grille
Enclosure Finish
Matte black acrylic paint
Audio Output Connectors
1 x 3.5 mm (1/8") stereo headphone with auto speaker mute
Input Connectors
2 x 1/4-inch (6.5 mm) balanced (+4 dBu); 2 x RCA (-10 dBV); 1 x 1/8-inch (3.5 mm) unbalanced (-10 dBV)
Electrical power draw (manufacturer statement)
85 W
Features — Bluetooth
Reference mixes over Bluetooth with built-in Bluetooth 5.0 streaming
Features — Amplification
Integrated 60-watt Class D power amplifier; 30 watts distributed to each speaker
Features — Host electronics
Host monitor includes electronics for the extension monitor, minimizing wiring and clutter
Features — Input selection
Front-panel input control selects Bluetooth, Aux, RCA, TRS or combines all inputs
Features — Headphone mute
Front-panel headphone jack with speaker mute feature

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