RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)

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Electronics > Audio > Headphones > Headphones Accessories > RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)
Electronics > Audio > Professional Audio > Amplifiers > RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)
Electronics > Audio > Professional Audio > Professional Audio Accessories > RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)
Electronics > Audio > Professional Audio > Sound Systems > RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)

RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907 (DBHPA3 DBHP-A3 DBHPA-3 RDLDBH-PA3 RDLDBHP-A3 RDLDBHPA-3)

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RDL DB-HPA3 Audio Power and Headphone Amplifier, 3.5 Watt; Black color; Wall mounted amplifier with 2 outputs; Balanced input on the rear panel; Speaker output on the rear panel; Mini jack headphone output on the front panel; Setting to turn Off power amplifier upon headphone connection; UPC 813721015907; Amplifier muting using solid state switching; Single gain adjustment for the speaker and headphone amplifiers; 3.5 watt RMS audio amplifier into 8 Ohms; 6.5 watt RMS audio amplifier into 4 Ohms; Output drives 4 or 8 Ohm speaker; High efficiency class D operation; Speaker output connection on detachable terminal block; Ultra compact all metal construction; Thermal and short circuit protection; Dimensions 4.13" x 1.7" x 2.05"; Shipping Dimensions 3.63" x 4.63" x 2.13"; Weight 0.27 lbs; Shipping Weight 0.41 lbs

General Information
Manufacturer	RDL
Manufacturer Part Number	DB-HPA3
Product Name	Audio Power and Headphone Amplifier, 3.5 Watt
UPC Code	813721015907
Overview
The D SERIES-HPA3 is a high efficiency 3.5 W power amplifier with one line input, an amplified output to drive a 4 or 8 ohm speaker and a separate headphone amplifier The -HPA3 features a balanced line level input that may be connected unbalanced. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. The amplified output levels are controlled by a front-panel volume control The amplifier features a Mini-Jack headphone output on the front panel. When a headset is plugged in, the power amplifier may be switched off. Two recessed slide switches located on the top of the rear enclosure are set prior to mounting the module One switch is provided for setting the input sensitivity. The mute switch determines whether the power amplifier operates when headphones are plugged in Amplification for the speaker output is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp, pleasant audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation The D SERIES-HPA3 is designed to be mounted in a wall box. The front panel does not include any illuminated indicators, making the -HPA3 ideally suited to installation in dark rooms or areas Wiring is connected through a rear-panel detachable terminal block. Module operation is from a 24 Vdc ground-referenced power supply
Features
Black color Wall mounted amplifier with 2 outputs Balanced input on the rear panel Speaker output on the rear panel Mini jack headphone output on the front panel Setting to turn Off power amplifier upon headphone connection Amplifier muting using solid state switching Single gain adjustment for the speaker and headphone amplifiers 3.5 watt RMS audio amplifier into 8 Ohms 6.5 watt RMS audio amplifier into 4 Ohms Output drives 4 or 8 Ohm speaker High efficiency class D operation Speaker output connection on detachable terminal block Ultra compact all metal construction Thermal and short circuit protection
Pictures

Specifications
Input	20 kOhms balanced or unbalanced bridging
Input Level	+4 dBu nominal (Balanced, Low input sensitivity); -15 dBV nominal (Unbalanced, High input sensitivity)
Minimum Input Level	-18 dBu (Balanced, Max. gain)
Maximum Input Level	+22 dBu (Low input sensitivity); +4 dBu (High input sensitivity)
Gain Adjustment	Single-turn audio taper (front-panel)
Output Power (headphones)	10 mW into 100 Ohms (normal); 30 mW into 100 ohms (maximum)
Output Power (speaker)	3.5 W RMS (Max., into 8 ohms); 6.5 W RMS (Max., into 4 ohms)
THD+N	Less than 0.1 percent� (Headphones, 20 Hz to 20 kHz, 10 mW into 100 ohms); Less than 0.1 percent (Speaker, 1 kHz, 1 W)
Frequency Response	20 Hz to 50 kHz (Headphones, More or less 1 dB); 20 Hz to 20 kHz (Speaker, More or less 1 dB)
Noise	Less than -85 dB (Headphones, below 10 mW into 100 ohms); Less than -80 dB (Speaker, below 1 W into 8 ohms)
CMRR	Greater than 50 dB (50 Hz to 120 Hz)
Power Requirement	24 Vdc at 30 mA (Idle); 55 mA (1/8 power; normal voice or music); 225 mA (3.5 W into 8 ohms)
Ambient Operating Environment	0C to 40C Maximum; 20C Recommended
Dimensions	4.13" x 1.7" x 2.05"
Shipping Dimensions	3.63" x 4.63" x 2.13"
Weight	0.27 lbs
Shipping Weight	0.41 lbs

A-20170712-1505-210-L

*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.

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