BOSE 203 ลำโพงติดผนัง  FreeSpace® 203® Loudspeaker 100 Watts. ลำโพง203®เป็นลำโพงที่ออกแบบให้สามารถติดผนังหรือตามความเหมาะสมของ สถานที่ ประกอบด้วยดอกลำโพงแบบ Star Driver ขนาด 4 1/2 นิ้ว จำนวน 2 ดอก/ตู้ ที่มีคุณภาพสูง และให้เสียงสมจริง พร้อมวงจรป้องกันความเสียหายภายใน รองรับกำลังขับ 100 วัตต์   This surface-mount 100-watt loudspeaker is engineered for commercial venues that demand high-fidelity sound, powerful bass and proven reliability in a compact, stylish cabinet.
Bose® FreeSpace® 203® loudspeakers deliver quality sound without the need for special equipment and additional accessories. They can often be used with an existing amplifier to replace current loudspeakers or to expand sound coverage.
Each Bose FreeSpace 203 loudspeaker uses two proprietary Bose 4.5-inch (11.4cm) StarDriver® speakers. They are engineered to provide consistent, high quality sound. They are also more reliable than conventional speakers whose small, separate tweeters are often unable to handle the high power and extended use required in many business applications.

FreeSpace® 203® loudspeaker

TECHNICAL DATA SHEET

Bose Professional Systems Division 1 OF 6

pro.Bose.com

Key Features

• Full-range loudspeaker with two highly reliable 4.5" (114 mm) Bose

StarDriver® transducers, one outward firing and one cross-firing, to

create a large sound field over a broad listening area for surface-mount

applications

• Overpower protection circuit prevents loudspeaker damage due to

excessive power

• Optional CVT-2 transformer available for use in a distributed sound

system

• Quality sound without the need for special equipment and additional

accessories. Can often be used with an existing amplifier to replace

current loudspeakers or to expand sound coverage

• Sold in pairs and designed for use in stereo applications

Product Overview

The Bose® FreeSpace 203 is a full-range, passively equalized, surface-mount loudspeaker designed for foreground music and speech

reproductions in applications that demand high-fidelity sound, powerful bass and proven reliability, in a compact, stylish cabinet. It

features a 115° x 150° coverage pattern and a frequency range down to 45 Hz.

Technical Specifications

System Performance

Frequency Response (+/-3 dB)        65 Hz - 14 kHz

Frequency Range (-10 dB)                 45 Hz - 17 kHz

Nominal Dispersion                             115° H x 150° V

Recommended High-Pass Filter         50 Hz high-pass filter

Loudspeaker EQ Recommended

Overload Protection PTC/Lamp

Long-Term Power Handling               100 W (400 W peak)

Sensitivity (SPL / 1 W @ 1 m)              84 dB SPL

Maximum SPL @ 1 m4104 dB SPL   (110 dB SPL peak)

Nominal Impedance 6 Ω (transformer bypassed)

Transformer Taps (70/100 V) CVT-2 transformer availableTransducers

Driver Compliment Two (2) patented 4.5" (114 mm) Bose® StarDriver® transducers

Physical

Enclosure MDF with solid color PVC laminate

Grille Powder-coated steel grille

Environmental Indoor use only

Connectors Barrier strip screw terminal

Suspension / Mounting Quick install wall mount bracket and hardware included

Dimensions 7.4" H x 12.8" W x 8.3" D (187 mm x 325 mm x 211 mm)

Depth with transformer: 9.8" (250 mm)

Net Weight 11.0 lb (5.0 kg)

Shipping Weight 26.8 lb (12.2 kg) - pair

Product Code

Grey 040119 - pair

White 040120 - pair

Footnotes:

1 Frequency response and range measured on-axis with recommended active EQ in an anechoic environment.

2 Power handling tested using pink noise filtered to meet IEC 268-5, 6 dB crest factor, 100 hours, with recommended EQ.

3 Sensitivity measured in free field (no boundary-loading gain) with recommended active EQ, referenced to 1W/1m.

4 Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression.