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.
LF Driver | 4.5 in (118 mm) |
HF Driver | 0.75 in (19 mm), soft dome |
Crossover | 1725 Hz, 1st order |
Input Sensitivity | 87 dB / 1 m |
Power Amp | 60 W (30 W each speaker), Class D |
Maximum Continuous SPL | 89 dB |
Maximum Peak SPL | 102 dB |
Maximum SPL (1m) | 104 dB (momentary peak) |
MAXIMUM PEAK INPUT LEVEL (-10dBV / +4dBu) | +6 dBV / +20.3 dBu |
Frequency Response (±3 dB) | 60 Hz - 20 kHz |
SYSTEM DISTORTION CRITERIA | <10% THD at maximum output with full compressor / limiter engagement |
ELECTRICAL DISTORTION CRITERIA | <0.2%THD @ 1 kHz, 2.83 VRMS output; <1% THD @ 1 kHz, full rated output |
Signal to Noise Ratio | 75 dBA (A-Weighted), 70 dBr (unweighted), relative to 2.83 VRMS output on HF |
Coverage Angle | 120º x 60º |
Dimensions (H x W x D) | 9.72 in x 6.02 in x 4.88 in (247 mm x 153 mm x 124 mm) |
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) |
AC INPUT VOLTAGE | 100 – 240 VAC (± 10%), 50/60 Hz |
Current Draw | 85 watts |
LF Driver Power Handling | 30W, Class D |