Loa Kiểm âm JBL One Series 104

Compact Powered Desktop Monitors​

FEATURES 
• Coaxial 4.5-inch (118 mm) LF driver and .75-inch (19mm) soft-dome HF driver
• Contoured low-frequency port
• Integrated 60-watt Class D power amplifier; 30 watts distributed to each speaker
• Acoustically optimized for desktop placement
• Three sets of inputs allow connection with professional equipment, personal music players and consumer products
• Front-panel volume control
• Front-panel headphone jack with speaker mute feature

SPECIFICATIONS
SYSTEM INPUT TYPE:                                  1/8" Aux, RCA, 1/4" TRS balanced
SYSTEM OUTPUT TYPE:                              1/8" stereo headphone with auto speaker mute
LF TRANSDUCER:                                         4.5 in (118 mm)
HF TRANSDUCER:                                         0.75 in (19 mm), soft dome
ENCLOSURE TYPE:                                       Ported
CROSSOVER:                                                  1725 Hz, 1st order
POWER AMP:                                                  60 W (30 W each speaker), Class D
SENSITIVITY:                                                  88 dB SPL @ 1 m with -10 dBV Aux In (Volume= Max)
SYSTEM MAXIMUM SPL*:                           92 dB (continuous power measured)
SYSTEM PEAK SPL*:                                     102 dB (pink noise, 12 dB crest factor)
MAXIMUM SPL, MOMENTARY PEAK*:     104 dB
MAXIMUM PEAK INPUT LEVEL                  (-10 dBV / +4 dBu):+6 dBV / +20.3 dBu
FREQUENCY RANGE (-3 dB SPL)**:            88 Hz – 20 kHz
FREQUENCY RANGE (-10 dB SPL)**:          60 Hz – 20 kHz
SYSTEM RATED IMPEDANCE:                      8 Ω
MINIMUM IMPEDANCE:                                7.8 Ω @ 260 Hz
CABINET TUNING FREQUENCY:                 72 Hz
SYSTEM POWER HANDLING:                       30 W x 2 @ 100 hours, IEC/SMS
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 (HORIZONTAL x VERTICAL): 120º x 120º
SYSTEM POLARITY:                                        EIA
ACOUSTIC TEST SPECIFICATION:                ATS# 1000340443
AC INPUT VOLTAGE:                                       100 – 240 VAC (± 10%), 50 / 60 Hz
CURRENT DRAW:                                             85 watts
HEIGHT:                                                              9.72 in (247 mm)
WIDTH:                                                               6.02 in (153 mm)
DEPTH***:                                                          4.88 in (124 mm)
NET WEIGHT:                                                    Master Monitor: 4.54 lb (2.06 kg); Slave Monitor: 3.81 lb (1.73 kg)