HamiltonBuhl Sack-O-Phones with 4 Red Primo Headphones & 3.5mm Jackbox

The HamiltonBuhl® SOP-PRMR4JB Sack-O-Phones® Listening Center Kit is a compact, classroom-ready 4-student audio solution designed for small group learning, literacy stations, and multimedia instruction. This kit includes 4 red Primo™ stereo headphones, a 3.5mm jackbox for shared listening, and a durable Sack-O-Phones® storage bag for easy organization and portability.

Perfect for classrooms, libraries, and learning centers, this system allows multiple students to listen to a single audio source simultaneously—supporting collaborative learning while maintaining clear, focused audio.

🎧 Key Features

• Complete 4-student listening center: Includes 4 headphones, jackbox, and storage bag.
• Primo™ stereo headphones: Deliver clear, balanced sound for speech and multimedia content.
• 3.5mm jackbox included: Connect up to 4 headphones to a single device.
• Noise-reducing ear cups: Minimizes ambient classroom noise for improved focus.
• Adjustable headbands: Fits a wide range of students comfortably.
• Durable classroom construction: Built to withstand daily student use.
• Sack-O-Phones® carry bag: Heavy-duty, moisture-resistant bag with drawstring closure.
• Color-coded red headphones: Easy identification and classroom organization.
• Universal 3.5mm compatibility: Works with most classroom devices.

🔊 Audio & Listening Capabilities

• Small-group listening: Ideal for 2–4 student collaborative activities
• Stereo sound reproduction: Clear audio for speech, music, and multimedia
• Passive noise isolation: Helps reduce distractions in busy classrooms
• Balanced frequency response: Optimized for voice clarity and educational content

🎓 Educational Benefits

• Supports small group learning and literacy stations
• Improves student focus and comprehension
• Enhances language learning, ESL, and reading programs
• Ideal for testing and independent study environments
• Promotes efficient classroom audio management

🏫 Ideal For

• Small-group classroom listening centers
• Literacy and reading stations
• Computer labs and media centers
• Testing and assessment environments
• Libraries and resource rooms
• Special education and ESL instruction

🔌 Device Compatibility

Works with any device featuring a standard 3.5mm headphone output:

• Chromebooks and school laptops
• Desktop computers and media stations
• Tablets (with headphone jack or adapter)
• MP3 players and audio devices
• Classroom listening systems

📦 What’s Included

• 4 × Primo™ stereo headphones (Red)
• 1 × 3.5mm jackbox (4-listener splitter)
• 1 × Sack-O-Phones® storage/carry bag

📊 Technical Specifications

📚 Why Educators Choose Sack-O-Phones®

• Efficient and organized classroom audio solution
• Perfect for small group and differentiated instruction
• Durable headphones designed for student use
• Portable storage system for easy classroom management
• Cost-effective solution for schools and districts

⚠️ Important Notes

• Designed for shared classroom environments
• Bulk-packed for efficient storage and distribution
• Requires audio source with 3.5mm output

Optimize small-group learning. The HamiltonBuhl® SOP-PRMR4JB Sack-O-Phones® kit delivers reliable, organized, and high-quality audio for focused classroom instruction and collaborative learning.